Home / 153,340.40-230,010.60-48,159.20

Finding the Fourth Proportional to 153,340.40, 230,010.60 and 48,159.20

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Solution

The fourth proportional to 153,340.40, 230,010.60 and 48,159.20 is: 72,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,340.40 : 230,010.60 = 48,159.20 : x
  2. Step 2: Convert to fraction form
    153,340.40/230,010.60 = 48,159.20/x
  3. Step 3: Cross multiply
    153,340.40x = 230,010.60 × 48,159.20
  4. Step 4: Simplify right side
    153,340.40x = 11,077,126,487.52
  5. Step 5: Solve for x
    x = 11,077,126,487.52/153,340.40
  6. Step 6: Final answer
    x = 72,238.80

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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.