Home / 177,440.20-245,134.56-116,331.58

Finding the Fourth Proportional to 177,440.20, 245,134.56 and 116,331.58

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Solution

The fourth proportional to 177,440.20, 245,134.56 and 116,331.58 is: 160,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,440.20 : 245,134.56 = 116,331.58 : x
  2. Step 2: Convert to fraction form
    177,440.20/245,134.56 = 116,331.58/x
  3. Step 3: Cross multiply
    177,440.20x = 245,134.56 × 116,331.58
  4. Step 4: Simplify right side
    177,440.20x = 28,516,890,677.40
  5. Step 5: Solve for x
    x = 28,516,890,677.40/177,440.20
  6. Step 6: Final answer
    x = 160,712.68

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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.