Home / 127,962.15-176,587.28-70,605.05

Finding the Fourth Proportional to 127,962.15, 176,587.28 and 70,605.05

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Solution

The fourth proportional to 127,962.15, 176,587.28 and 70,605.05 is: 97,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,962.15 : 176,587.28 = 70,605.05 : x
  2. Step 2: Convert to fraction form
    127,962.15/176,587.28 = 70,605.05/x
  3. Step 3: Cross multiply
    127,962.15x = 176,587.28 × 70,605.05
  4. Step 4: Simplify right side
    127,962.15x = 12,467,953,733.76
  5. Step 5: Solve for x
    x = 12,467,953,733.76/127,962.15
  6. Step 6: Final answer
    x = 97,434.70

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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.