Home / 112,334.16-168,454.92-45,729.20

Finding the Fourth Proportional to 112,334.16, 168,454.92 and 45,729.20

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Solution

The fourth proportional to 112,334.16, 168,454.92 and 45,729.20 is: 68,574.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334.16 : 168,454.92 = 45,729.20 : x
  2. Step 2: Convert to fraction form
    112,334.16/168,454.92 = 45,729.20/x
  3. Step 3: Cross multiply
    112,334.16x = 168,454.92 × 45,729.20
  4. Step 4: Simplify right side
    112,334.16x = 7,703,308,727.66
  5. Step 5: Solve for x
    x = 7,703,308,727.66/112,334.16
  6. Step 6: Final answer
    x = 68,574.94

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1.5x scale

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.