Home / 156,032.20-234,048.30-140,285.80

Finding the Fourth Proportional to 156,032.20, 234,048.30 and 140,285.80

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Solution

The fourth proportional to 156,032.20, 234,048.30 and 140,285.80 is: 210,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,032.20 : 234,048.30 = 140,285.80 : x
  2. Step 2: Convert to fraction form
    156,032.20/234,048.30 = 140,285.80/x
  3. Step 3: Cross multiply
    156,032.20x = 234,048.30 × 140,285.80
  4. Step 4: Simplify right side
    156,032.20x = 32,833,653,004.14
  5. Step 5: Solve for x
    x = 32,833,653,004.14/156,032.20
  6. Step 6: Final answer
    x = 210,428.70

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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.