Home / 156,682.40-235,023.60-38,352.20

Finding the Fourth Proportional to 156,682.40, 235,023.60 and 38,352.20

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Solution

The fourth proportional to 156,682.40, 235,023.60 and 38,352.20 is: 57,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,682.40 : 235,023.60 = 38,352.20 : x
  2. Step 2: Convert to fraction form
    156,682.40/235,023.60 = 38,352.20/x
  3. Step 3: Cross multiply
    156,682.40x = 235,023.60 × 38,352.20
  4. Step 4: Simplify right side
    156,682.40x = 9,013,672,111.92
  5. Step 5: Solve for x
    x = 9,013,672,111.92/156,682.40
  6. Step 6: Final answer
    x = 57,528.30

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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.