Home / 156,240.18-234,323.10-67,445.10

Finding the Fourth Proportional to 156,240.18, 234,323.10 and 67,445.10

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Solution

The fourth proportional to 156,240.18, 234,323.10 and 67,445.10 is: 101,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,240.18 : 234,323.10 = 67,445.10 : x
  2. Step 2: Convert to fraction form
    156,240.18/234,323.10 = 67,445.10/x
  3. Step 3: Cross multiply
    156,240.18x = 234,323.10 × 67,445.10
  4. Step 4: Simplify right side
    156,240.18x = 15,803,944,911.81
  5. Step 5: Solve for x
    x = 15,803,944,911.81/156,240.18
  6. Step 6: Final answer
    x = 101,151.60

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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.