Home / 176,414.46-243,434.40-99,918.30

Finding the Fourth Proportional to 176,414.46, 243,434.40 and 99,918.30

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Solution

The fourth proportional to 176,414.46, 243,434.40 and 99,918.30 is: 137,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,414.46 : 243,434.40 = 99,918.30 : x
  2. Step 2: Convert to fraction form
    176,414.46/243,434.40 = 99,918.30/x
  3. Step 3: Cross multiply
    176,414.46x = 243,434.40 × 99,918.30
  4. Step 4: Simplify right side
    176,414.46x = 24,323,551,409.52
  5. Step 5: Solve for x
    x = 24,323,551,409.52/176,414.46
  6. Step 6: Final answer
    x = 137,877.31

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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.