Home / 124,158.65-171,337.28-73,173.53

Finding the Fourth Proportional to 124,158.65, 171,337.28 and 73,173.53

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Solution

The fourth proportional to 124,158.65, 171,337.28 and 73,173.53 is: 100,978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,158.65 : 171,337.28 = 73,173.53 : x
  2. Step 2: Convert to fraction form
    124,158.65/171,337.28 = 73,173.53/x
  3. Step 3: Cross multiply
    124,158.65x = 171,337.28 × 73,173.53
  4. Step 4: Simplify right side
    124,158.65x = 12,537,353,660.67
  5. Step 5: Solve for x
    x = 12,537,353,660.67/124,158.65
  6. Step 6: Final answer
    x = 100,978.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.