Home / 122,840.57-183,965.58-70,090.13

Finding the Fourth Proportional to 122,840.57, 183,965.58 and 70,090.13

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Solution

The fourth proportional to 122,840.57, 183,965.58 and 70,090.13 is: 104,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,840.57 : 183,965.58 = 70,090.13 : x
  2. Step 2: Convert to fraction form
    122,840.57/183,965.58 = 70,090.13/x
  3. Step 3: Cross multiply
    122,840.57x = 183,965.58 × 70,090.13
  4. Step 4: Simplify right side
    122,840.57x = 12,894,171,417.73
  5. Step 5: Solve for x
    x = 12,894,171,417.73/122,840.57
  6. Step 6: Final answer
    x = 104,966.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.