Home / 156,079.80-234,119.70-154,006.20

Finding the Fourth Proportional to 156,079.80, 234,119.70 and 154,006.20

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Solution

The fourth proportional to 156,079.80, 234,119.70 and 154,006.20 is: 231,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,079.80 : 234,119.70 = 154,006.20 : x
  2. Step 2: Convert to fraction form
    156,079.80/234,119.70 = 154,006.20/x
  3. Step 3: Cross multiply
    156,079.80x = 234,119.70 × 154,006.20
  4. Step 4: Simplify right side
    156,079.80x = 36,055,885,342.14
  5. Step 5: Solve for x
    x = 36,055,885,342.14/156,079.80
  6. Step 6: Final answer
    x = 231,009.30

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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.