Home / 155,155.20-232,746.12-42,835.38

Finding the Fourth Proportional to 155,155.20, 232,746.12 and 42,835.38

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Solution

The fourth proportional to 155,155.20, 232,746.12 and 42,835.38 is: 64,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,155.20 : 232,746.12 = 42,835.38 : x
  2. Step 2: Convert to fraction form
    155,155.20/232,746.12 = 42,835.38/x
  3. Step 3: Cross multiply
    155,155.20x = 232,746.12 × 42,835.38
  4. Step 4: Simplify right side
    155,155.20x = 9,969,768,493.73
  5. Step 5: Solve for x
    x = 9,969,768,493.73/155,155.20
  6. Step 6: Final answer
    x = 64,256.75

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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.