Home / 125,523.64-188,136.98-55,256.12

Finding the Fourth Proportional to 125,523.64, 188,136.98 and 55,256.12

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Solution

The fourth proportional to 125,523.64, 188,136.98 and 55,256.12 is: 82,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,523.64 : 188,136.98 = 55,256.12 : x
  2. Step 2: Convert to fraction form
    125,523.64/188,136.98 = 55,256.12/x
  3. Step 3: Cross multiply
    125,523.64x = 188,136.98 × 55,256.12
  4. Step 4: Simplify right side
    125,523.64x = 10,395,719,543.32
  5. Step 5: Solve for x
    x = 10,395,719,543.32/125,523.64
  6. Step 6: Final answer
    x = 82,818.82

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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.