Home / 124,736.10-187,221.60-65,614.20

Finding the Fourth Proportional to 124,736.10, 187,221.60 and 65,614.20

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Solution

The fourth proportional to 124,736.10, 187,221.60 and 65,614.20 is: 98,483.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,736.10 : 187,221.60 = 65,614.20 : x
  2. Step 2: Convert to fraction form
    124,736.10/187,221.60 = 65,614.20/x
  3. Step 3: Cross multiply
    124,736.10x = 187,221.60 × 65,614.20
  4. Step 4: Simplify right side
    124,736.10x = 12,284,395,506.72
  5. Step 5: Solve for x
    x = 12,284,395,506.72/124,736.10
  6. Step 6: Final answer
    x = 98,483.08

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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.