Home / 162,587.86-243,283.10-98,316.79

Finding the Fourth Proportional to 162,587.86, 243,283.10 and 98,316.79

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Solution

The fourth proportional to 162,587.86, 243,283.10 and 98,316.79 is: 147,113.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,587.86 : 243,283.10 = 98,316.79 : x
  2. Step 2: Convert to fraction form
    162,587.86/243,283.10 = 98,316.79/x
  3. Step 3: Cross multiply
    162,587.86x = 243,283.10 × 98,316.79
  4. Step 4: Simplify right side
    162,587.86x = 23,918,812,353.46
  5. Step 5: Solve for x
    x = 23,918,812,353.46/162,587.86
  6. Step 6: Final answer
    x = 147,113.15

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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.