Home / 107,543.20-161,314.80-37,429.60

Finding the Fourth Proportional to 107,543.20, 161,314.80 and 37,429.60

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Solution

The fourth proportional to 107,543.20, 161,314.80 and 37,429.60 is: 56,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,543.20 : 161,314.80 = 37,429.60 : x
  2. Step 2: Convert to fraction form
    107,543.20/161,314.80 = 37,429.60/x
  3. Step 3: Cross multiply
    107,543.20x = 161,314.80 × 37,429.60
  4. Step 4: Simplify right side
    107,543.20x = 6,037,948,438.08
  5. Step 5: Solve for x
    x = 6,037,948,438.08/107,543.20
  6. Step 6: Final answer
    x = 56,144.40

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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.