Home / 156,010.20-234,015.30-153,677.40

Finding the Fourth Proportional to 156,010.20, 234,015.30 and 153,677.40

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Solution

The fourth proportional to 156,010.20, 234,015.30 and 153,677.40 is: 230,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,010.20 : 234,015.30 = 153,677.40 : x
  2. Step 2: Convert to fraction form
    156,010.20/234,015.30 = 153,677.40/x
  3. Step 3: Cross multiply
    156,010.20x = 234,015.30 × 153,677.40
  4. Step 4: Simplify right side
    156,010.20x = 35,962,862,864.22
  5. Step 5: Solve for x
    x = 35,962,862,864.22/156,010.20
  6. Step 6: Final answer
    x = 230,516.10

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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.