Home / 155,050.32-232,591.57-42,730.55

Finding the Fourth Proportional to 155,050.32, 232,591.57 and 42,730.55

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Solution

The fourth proportional to 155,050.32, 232,591.57 and 42,730.55 is: 64,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,050.32 : 232,591.57 = 42,730.55 : x
  2. Step 2: Convert to fraction form
    155,050.32/232,591.57 = 42,730.55/x
  3. Step 3: Cross multiply
    155,050.32x = 232,591.57 × 42,730.55
  4. Step 4: Simplify right side
    155,050.32x = 9,938,766,622.23
  5. Step 5: Solve for x
    x = 9,938,766,622.23/155,050.32
  6. Step 6: Final answer
    x = 64,100.27

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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.