Home / 113,976.40-157,197.76-106,337.04

Finding the Fourth Proportional to 113,976.40, 157,197.76 and 106,337.04

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Solution

The fourth proportional to 113,976.40, 157,197.76 and 106,337.04 is: 146,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,976.40 : 157,197.76 = 106,337.04 : x
  2. Step 2: Convert to fraction form
    113,976.40/157,197.76 = 106,337.04/x
  3. Step 3: Cross multiply
    113,976.40x = 157,197.76 × 106,337.04
  4. Step 4: Simplify right side
    113,976.40x = 16,715,944,493.03
  5. Step 5: Solve for x
    x = 16,715,944,493.03/113,976.40
  6. Step 6: Final answer
    x = 146,661.45

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1.5x scale

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.