Home / 114,778.08-158,391.59-63,790.20

Finding the Fourth Proportional to 114,778.08, 158,391.59 and 63,790.20

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Solution

The fourth proportional to 114,778.08, 158,391.59 and 63,790.20 is: 88,029.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,778.08 : 158,391.59 = 63,790.20 : x
  2. Step 2: Convert to fraction form
    114,778.08/158,391.59 = 63,790.20/x
  3. Step 3: Cross multiply
    114,778.08x = 158,391.59 × 63,790.20
  4. Step 4: Simplify right side
    114,778.08x = 10,103,830,885.47
  5. Step 5: Solve for x
    x = 10,103,830,885.47/114,778.08
  6. Step 6: Final answer
    x = 88,029.27

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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.