Home / 162,159.75-243,239.61-48,309.28

Finding the Fourth Proportional to 162,159.75, 243,239.61 and 48,309.28

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Solution

The fourth proportional to 162,159.75, 243,239.61 and 48,309.28 is: 72,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,159.75 : 243,239.61 = 48,309.28 : x
  2. Step 2: Convert to fraction form
    162,159.75/243,239.61 = 48,309.28/x
  3. Step 3: Cross multiply
    162,159.75x = 243,239.61 × 48,309.28
  4. Step 4: Simplify right side
    162,159.75x = 11,750,729,210.38
  5. Step 5: Solve for x
    x = 11,750,729,210.38/162,159.75
  6. Step 6: Final answer
    x = 72,463.91

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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.