Home / 157,217.10-235,609.65-100,884.30

Finding the Fourth Proportional to 157,217.10, 235,609.65 and 100,884.30

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Solution

The fourth proportional to 157,217.10, 235,609.65 and 100,884.30 is: 151,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,217.10 : 235,609.65 = 100,884.30 : x
  2. Step 2: Convert to fraction form
    157,217.10/235,609.65 = 100,884.30/x
  3. Step 3: Cross multiply
    157,217.10x = 235,609.65 × 100,884.30
  4. Step 4: Simplify right side
    157,217.10x = 23,769,314,613.50
  5. Step 5: Solve for x
    x = 23,769,314,613.50/157,217.10
  6. Step 6: Final answer
    x = 151,187.85

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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.