Home / 116,907.40-161,332.17-63,192.38

Finding the Fourth Proportional to 116,907.40, 161,332.17 and 63,192.38

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Solution

The fourth proportional to 116,907.40, 161,332.17 and 63,192.38 is: 87,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,907.40 : 161,332.17 = 63,192.38 : x
  2. Step 2: Convert to fraction form
    116,907.40/161,332.17 = 63,192.38/x
  3. Step 3: Cross multiply
    116,907.40x = 161,332.17 × 63,192.38
  4. Step 4: Simplify right side
    116,907.40x = 10,194,963,792.86
  5. Step 5: Solve for x
    x = 10,194,963,792.86/116,907.40
  6. Step 6: Final answer
    x = 87,205.47

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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.