Home / 127,750.05-176,295.12-74,066.22

Finding the Fourth Proportional to 127,750.05, 176,295.12 and 74,066.22

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Solution

The fourth proportional to 127,750.05, 176,295.12 and 74,066.22 is: 102,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,750.05 : 176,295.12 = 74,066.22 : x
  2. Step 2: Convert to fraction form
    127,750.05/176,295.12 = 74,066.22/x
  3. Step 3: Cross multiply
    127,750.05x = 176,295.12 × 74,066.22
  4. Step 4: Simplify right side
    127,750.05x = 13,057,513,142.85
  5. Step 5: Solve for x
    x = 13,057,513,142.85/127,750.05
  6. Step 6: Final answer
    x = 102,211.41

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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.