Home / 156,944.40-235,416.60-38,614.20

Finding the Fourth Proportional to 156,944.40, 235,416.60 and 38,614.20

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Solution

The fourth proportional to 156,944.40, 235,416.60 and 38,614.20 is: 57,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,944.40 : 235,416.60 = 38,614.20 : x
  2. Step 2: Convert to fraction form
    156,944.40/235,416.60 = 38,614.20/x
  3. Step 3: Cross multiply
    156,944.40x = 235,416.60 × 38,614.20
  4. Step 4: Simplify right side
    156,944.40x = 9,090,423,675.72
  5. Step 5: Solve for x
    x = 9,090,423,675.72/156,944.40
  6. Step 6: Final answer
    x = 57,921.30

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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.