Home / 124,814.40-187,221.60-36,070.80

Finding the Fourth Proportional to 124,814.40, 187,221.60 and 36,070.80

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Solution

The fourth proportional to 124,814.40, 187,221.60 and 36,070.80 is: 54,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,814.40 : 187,221.60 = 36,070.80 : x
  2. Step 2: Convert to fraction form
    124,814.40/187,221.60 = 36,070.80/x
  3. Step 3: Cross multiply
    124,814.40x = 187,221.60 × 36,070.80
  4. Step 4: Simplify right side
    124,814.40x = 6,753,232,889.28
  5. Step 5: Solve for x
    x = 6,753,232,889.28/124,814.40
  6. Step 6: Final answer
    x = 54,106.20

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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.