Home / 158,180.34-218,283.57-86,555.55

Finding the Fourth Proportional to 158,180.34, 218,283.57 and 86,555.55

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Solution

The fourth proportional to 158,180.34, 218,283.57 and 86,555.55 is: 119,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,180.34 : 218,283.57 = 86,555.55 : x
  2. Step 2: Convert to fraction form
    158,180.34/218,283.57 = 86,555.55/x
  3. Step 3: Cross multiply
    158,180.34x = 218,283.57 × 86,555.55
  4. Step 4: Simplify right side
    158,180.34x = 18,893,654,457.31
  5. Step 5: Solve for x
    x = 18,893,654,457.31/158,180.34
  6. Step 6: Final answer
    x = 119,443.76

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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.