Home / 156,342.15-234,510.75-49,724.57

Finding the Fourth Proportional to 156,342.15, 234,510.75 and 49,724.57

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Solution

The fourth proportional to 156,342.15, 234,510.75 and 49,724.57 is: 74,586.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,342.15 : 234,510.75 = 49,724.57 : x
  2. Step 2: Convert to fraction form
    156,342.15/234,510.75 = 49,724.57/x
  3. Step 3: Cross multiply
    156,342.15x = 234,510.75 × 49,724.57
  4. Step 4: Simplify right side
    156,342.15x = 11,660,946,204.13
  5. Step 5: Solve for x
    x = 11,660,946,204.13/156,342.15
  6. Step 6: Final answer
    x = 74,586.07

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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.