Home / 158,146.47-218,240.19-86,525.46

Finding the Fourth Proportional to 158,146.47, 218,240.19 and 86,525.46

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Solution

The fourth proportional to 158,146.47, 218,240.19 and 86,525.46 is: 119,404.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,146.47 : 218,240.19 = 86,525.46 : x
  2. Step 2: Convert to fraction form
    158,146.47/218,240.19 = 86,525.46/x
  3. Step 3: Cross multiply
    158,146.47x = 218,240.19 × 86,525.46
  4. Step 4: Simplify right side
    158,146.47x = 18,883,332,830.24
  5. Step 5: Solve for x
    x = 18,883,332,830.24/158,146.47
  6. Step 6: Final answer
    x = 119,404.07

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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.