Home / 185,456.08-255,965.70-121,792.24

Finding the Fourth Proportional to 185,456.08, 255,965.70 and 121,792.24

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Solution

The fourth proportional to 185,456.08, 255,965.70 and 121,792.24 is: 168,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,456.08 : 255,965.70 = 121,792.24 : x
  2. Step 2: Convert to fraction form
    185,456.08/255,965.70 = 121,792.24/x
  3. Step 3: Cross multiply
    185,456.08x = 255,965.70 × 121,792.24
  4. Step 4: Simplify right side
    185,456.08x = 31,174,635,966.17
  5. Step 5: Solve for x
    x = 31,174,635,966.17/185,456.08
  6. Step 6: Final answer
    x = 168,097.14

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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.