Home / 156,764.16-216,306.45-93,117.60

Finding the Fourth Proportional to 156,764.16, 216,306.45 and 93,117.60

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Solution

The fourth proportional to 156,764.16, 216,306.45 and 93,117.60 is: 128,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,764.16 : 216,306.45 = 93,117.60 : x
  2. Step 2: Convert to fraction form
    156,764.16/216,306.45 = 93,117.60/x
  3. Step 3: Cross multiply
    156,764.16x = 216,306.45 × 93,117.60
  4. Step 4: Simplify right side
    156,764.16x = 20,141,937,488.52
  5. Step 5: Solve for x
    x = 20,141,937,488.52/156,764.16
  6. Step 6: Final answer
    x = 128,485.60

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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.