Home / 158,173.32-218,273.94-86,548.52

Finding the Fourth Proportional to 158,173.32, 218,273.94 and 86,548.52

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Solution

The fourth proportional to 158,173.32, 218,273.94 and 86,548.52 is: 119,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,173.32 : 218,273.94 = 86,548.52 : x
  2. Step 2: Convert to fraction form
    158,173.32/218,273.94 = 86,548.52/x
  3. Step 3: Cross multiply
    158,173.32x = 218,273.94 × 86,548.52
  4. Step 4: Simplify right side
    158,173.32x = 18,891,286,461.57
  5. Step 5: Solve for x
    x = 18,891,286,461.57/158,173.32
  6. Step 6: Final answer
    x = 119,434.09

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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.