Home / 114,631.04-158,188.26-63,640.76

Finding the Fourth Proportional to 114,631.04, 158,188.26 and 63,640.76

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Solution

The fourth proportional to 114,631.04, 158,188.26 and 63,640.76 is: 87,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,631.04 : 158,188.26 = 63,640.76 : x
  2. Step 2: Convert to fraction form
    114,631.04/158,188.26 = 63,640.76/x
  3. Step 3: Cross multiply
    114,631.04x = 158,188.26 × 63,640.76
  4. Step 4: Simplify right side
    114,631.04x = 10,067,221,089.48
  5. Step 5: Solve for x
    x = 10,067,221,089.48/114,631.04
  6. Step 6: Final answer
    x = 87,822.82

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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.