Home / 177,439.20-245,133.18-116,330.58

Finding the Fourth Proportional to 177,439.20, 245,133.18 and 116,330.58

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Solution

The fourth proportional to 177,439.20, 245,133.18 and 116,330.58 is: 160,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,439.20 : 245,133.18 = 116,330.58 : x
  2. Step 2: Convert to fraction form
    177,439.20/245,133.18 = 116,330.58/x
  3. Step 3: Cross multiply
    177,439.20x = 245,133.18 × 116,330.58
  4. Step 4: Simplify right side
    177,439.20x = 28,516,485,006.64
  5. Step 5: Solve for x
    x = 28,516,485,006.64/177,439.20
  6. Step 6: Final answer
    x = 160,711.30

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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.