Home / 156,954.90-235,432.35-103,810.80

Finding the Fourth Proportional to 156,954.90, 235,432.35 and 103,810.80

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Solution

The fourth proportional to 156,954.90, 235,432.35 and 103,810.80 is: 155,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,954.90 : 235,432.35 = 103,810.80 : x
  2. Step 2: Convert to fraction form
    156,954.90/235,432.35 = 103,810.80/x
  3. Step 3: Cross multiply
    156,954.90x = 235,432.35 × 103,810.80
  4. Step 4: Simplify right side
    156,954.90x = 24,440,420,599.38
  5. Step 5: Solve for x
    x = 24,440,420,599.38/156,954.90
  6. Step 6: Final answer
    x = 155,716.20

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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.