Home / 125,134.46-172,696.19-70,696.63

Finding the Fourth Proportional to 125,134.46, 172,696.19 and 70,696.63

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Solution

The fourth proportional to 125,134.46, 172,696.19 and 70,696.63 is: 97,567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,134.46 : 172,696.19 = 70,696.63 : x
  2. Step 2: Convert to fraction form
    125,134.46/172,696.19 = 70,696.63/x
  3. Step 3: Cross multiply
    125,134.46x = 172,696.19 × 70,696.63
  4. Step 4: Simplify right side
    125,134.46x = 12,209,038,646.84
  5. Step 5: Solve for x
    x = 12,209,038,646.84/125,134.46
  6. Step 6: Final answer
    x = 97,567.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.