Home / 102,516.60-153,774.90-93,331.20

Finding the Fourth Proportional to 102,516.60, 153,774.90 and 93,331.20

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Solution

The fourth proportional to 102,516.60, 153,774.90 and 93,331.20 is: 139,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,516.60 : 153,774.90 = 93,331.20 : x
  2. Step 2: Convert to fraction form
    102,516.60/153,774.90 = 93,331.20/x
  3. Step 3: Cross multiply
    102,516.60x = 153,774.90 × 93,331.20
  4. Step 4: Simplify right side
    102,516.60x = 14,351,995,946.88
  5. Step 5: Solve for x
    x = 14,351,995,946.88/102,516.60
  6. Step 6: Final answer
    x = 139,996.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.