Home / 156,743.90-235,132.23-51,571.16

Finding the Fourth Proportional to 156,743.90, 235,132.23 and 51,571.16

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Solution

The fourth proportional to 156,743.90, 235,132.23 and 51,571.16 is: 77,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,743.90 : 235,132.23 = 51,571.16 : x
  2. Step 2: Convert to fraction form
    156,743.90/235,132.23 = 51,571.16/x
  3. Step 3: Cross multiply
    156,743.90x = 235,132.23 × 51,571.16
  4. Step 4: Simplify right side
    156,743.90x = 12,126,041,854.49
  5. Step 5: Solve for x
    x = 12,126,041,854.49/156,743.90
  6. Step 6: Final answer
    x = 77,362.13

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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.