Home / 127,824.01-176,397.32-74,140.25

Finding the Fourth Proportional to 127,824.01, 176,397.32 and 74,140.25

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Solution

The fourth proportional to 127,824.01, 176,397.32 and 74,140.25 is: 102,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,824.01 : 176,397.32 = 74,140.25 : x
  2. Step 2: Convert to fraction form
    127,824.01/176,397.32 = 74,140.25/x
  3. Step 3: Cross multiply
    127,824.01x = 176,397.32 × 74,140.25
  4. Step 4: Simplify right side
    127,824.01x = 13,078,140,707.49
  5. Step 5: Solve for x
    x = 13,078,140,707.49/127,824.01
  6. Step 6: Final answer
    x = 102,313.65

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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.