Home / 113,834.87-157,136.46-101,877.45

Finding the Fourth Proportional to 113,834.87, 157,136.46 and 101,877.45

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Solution

The fourth proportional to 113,834.87, 157,136.46 and 101,877.45 is: 140,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,834.87 : 157,136.46 = 101,877.45 : x
  2. Step 2: Convert to fraction form
    113,834.87/157,136.46 = 101,877.45/x
  3. Step 3: Cross multiply
    113,834.87x = 157,136.46 × 101,877.45
  4. Step 4: Simplify right side
    113,834.87x = 16,008,660,875.52
  5. Step 5: Solve for x
    x = 16,008,660,875.52/113,834.87
  6. Step 6: Final answer
    x = 140,630.56

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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.