Home / 156,920.15-235,380.23-137,237.15

Finding the Fourth Proportional to 156,920.15, 235,380.23 and 137,237.15

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Solution

The fourth proportional to 156,920.15, 235,380.23 and 137,237.15 is: 205,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,920.15 : 235,380.23 = 137,237.15 : x
  2. Step 2: Convert to fraction form
    156,920.15/235,380.23 = 137,237.15/x
  3. Step 3: Cross multiply
    156,920.15x = 235,380.23 × 137,237.15
  4. Step 4: Simplify right side
    156,920.15x = 32,302,911,931.54
  5. Step 5: Solve for x
    x = 32,302,911,931.54/156,920.15
  6. Step 6: Final answer
    x = 205,855.73

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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.