Home / 176,677.32-243,773.47-103,078.28

Finding the Fourth Proportional to 176,677.32, 243,773.47 and 103,078.28

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Solution

The fourth proportional to 176,677.32, 243,773.47 and 103,078.28 is: 142,223.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,677.32 : 243,773.47 = 103,078.28 : x
  2. Step 2: Convert to fraction form
    176,677.32/243,773.47 = 103,078.28/x
  3. Step 3: Cross multiply
    176,677.32x = 243,773.47 × 103,078.28
  4. Step 4: Simplify right side
    176,677.32x = 25,127,749,384.30
  5. Step 5: Solve for x
    x = 25,127,749,384.30/176,677.32
  6. Step 6: Final answer
    x = 142,223.97

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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.