Home / 156,956.07-216,630.80-93,281.55

Finding the Fourth Proportional to 156,956.07, 216,630.80 and 93,281.55

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Solution

The fourth proportional to 156,956.07, 216,630.80 and 93,281.55 is: 128,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,956.07 : 216,630.80 = 93,281.55 : x
  2. Step 2: Convert to fraction form
    156,956.07/216,630.80 = 93,281.55/x
  3. Step 3: Cross multiply
    156,956.07x = 216,630.80 × 93,281.55
  4. Step 4: Simplify right side
    156,956.07x = 20,207,656,335.33
  5. Step 5: Solve for x
    x = 20,207,656,335.33/156,956.07
  6. Step 6: Final answer
    x = 128,747.21

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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.