Home / 162,837.39-243,895.19-125,119.83

Finding the Fourth Proportional to 162,837.39, 243,895.19 and 125,119.83

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Solution

The fourth proportional to 162,837.39, 243,895.19 and 125,119.83 is: 187,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,837.39 : 243,895.19 = 125,119.83 : x
  2. Step 2: Convert to fraction form
    162,837.39/243,895.19 = 125,119.83/x
  3. Step 3: Cross multiply
    162,837.39x = 243,895.19 × 125,119.83
  4. Step 4: Simplify right side
    162,837.39x = 30,516,124,085.02
  5. Step 5: Solve for x
    x = 30,516,124,085.02/162,837.39
  6. Step 6: Final answer
    x = 187,402.44

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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.