Home / 162,031.80-243,047.70-114,792.60

Finding the Fourth Proportional to 162,031.80, 243,047.70 and 114,792.60

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Solution

The fourth proportional to 162,031.80, 243,047.70 and 114,792.60 is: 172,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,031.80 : 243,047.70 = 114,792.60 : x
  2. Step 2: Convert to fraction form
    162,031.80/243,047.70 = 114,792.60/x
  3. Step 3: Cross multiply
    162,031.80x = 243,047.70 × 114,792.60
  4. Step 4: Simplify right side
    162,031.80x = 27,900,077,407.02
  5. Step 5: Solve for x
    x = 27,900,077,407.02/162,031.80
  6. Step 6: Final answer
    x = 172,188.90

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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.