Home / 161,875.90-243,105.45-156,627.10

Finding the Fourth Proportional to 161,875.90, 243,105.45 and 156,627.10

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Solution

The fourth proportional to 161,875.90, 243,105.45 and 156,627.10 is: 235,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,875.90 : 243,105.45 = 156,627.10 : x
  2. Step 2: Convert to fraction form
    161,875.90/243,105.45 = 156,627.10/x
  3. Step 3: Cross multiply
    161,875.90x = 243,105.45 × 156,627.10
  4. Step 4: Simplify right side
    161,875.90x = 38,076,901,627.70
  5. Step 5: Solve for x
    x = 38,076,901,627.70/161,875.90
  6. Step 6: Final answer
    x = 235,222.79

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1.5x scale

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.