Home / 162,405.06-243,545.18-55,769.19

Finding the Fourth Proportional to 162,405.06, 243,545.18 and 55,769.19

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Solution

The fourth proportional to 162,405.06, 243,545.18 and 55,769.19 is: 83,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,405.06 : 243,545.18 = 55,769.19 : x
  2. Step 2: Convert to fraction form
    162,405.06/243,545.18 = 55,769.19/x
  3. Step 3: Cross multiply
    162,405.06x = 243,545.18 × 55,769.19
  4. Step 4: Simplify right side
    162,405.06x = 13,582,317,138.16
  5. Step 5: Solve for x
    x = 13,582,317,138.16/162,405.06
  6. Step 6: Final answer
    x = 83,632.35

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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.