Home / 103,742.10-155,613.15-93,900.60

Finding the Fourth Proportional to 103,742.10, 155,613.15 and 93,900.60

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Solution

The fourth proportional to 103,742.10, 155,613.15 and 93,900.60 is: 140,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,742.10 : 155,613.15 = 93,900.60 : x
  2. Step 2: Convert to fraction form
    103,742.10/155,613.15 = 93,900.60/x
  3. Step 3: Cross multiply
    103,742.10x = 155,613.15 × 93,900.60
  4. Step 4: Simplify right side
    103,742.10x = 14,612,168,152.89
  5. Step 5: Solve for x
    x = 14,612,168,152.89/103,742.10
  6. Step 6: Final answer
    x = 140,850.90

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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.