Home / 158,182.34-218,291.63-86,562.36

Finding the Fourth Proportional to 158,182.34, 218,291.63 and 86,562.36

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Solution

The fourth proportional to 158,182.34, 218,291.63 and 86,562.36 is: 119,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,182.34 : 218,291.63 = 86,562.36 : x
  2. Step 2: Convert to fraction form
    158,182.34/218,291.63 = 86,562.36/x
  3. Step 3: Cross multiply
    158,182.34x = 218,291.63 × 86,562.36
  4. Step 4: Simplify right side
    158,182.34x = 18,895,838,228.24
  5. Step 5: Solve for x
    x = 18,895,838,228.24/158,182.34
  6. Step 6: Final answer
    x = 119,456.06

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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.