Home / 156,039.40-234,059.10-56,247.40

Finding the Fourth Proportional to 156,039.40, 234,059.10 and 56,247.40

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Solution

The fourth proportional to 156,039.40, 234,059.10 and 56,247.40 is: 84,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,039.40 : 234,059.10 = 56,247.40 : x
  2. Step 2: Convert to fraction form
    156,039.40/234,059.10 = 56,247.40/x
  3. Step 3: Cross multiply
    156,039.40x = 234,059.10 × 56,247.40
  4. Step 4: Simplify right side
    156,039.40x = 13,165,215,821.34
  5. Step 5: Solve for x
    x = 13,165,215,821.34/156,039.40
  6. Step 6: Final answer
    x = 84,371.10

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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.