Home / 115,177.52-158,950.32-64,193.60

Finding the Fourth Proportional to 115,177.52, 158,950.32 and 64,193.60

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Solution

The fourth proportional to 115,177.52, 158,950.32 and 64,193.60 is: 88,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,177.52 : 158,950.32 = 64,193.60 : x
  2. Step 2: Convert to fraction form
    115,177.52/158,950.32 = 64,193.60/x
  3. Step 3: Cross multiply
    115,177.52x = 158,950.32 × 64,193.60
  4. Step 4: Simplify right side
    115,177.52x = 10,203,593,261.95
  5. Step 5: Solve for x
    x = 10,203,593,261.95/115,177.52
  6. Step 6: Final answer
    x = 88,590.15

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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.