Home / 158,496.22-218,730.23-86,876.25

Finding the Fourth Proportional to 158,496.22, 218,730.23 and 86,876.25

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Solution

The fourth proportional to 158,496.22, 218,730.23 and 86,876.25 is: 119,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,496.22 : 218,730.23 = 86,876.25 : x
  2. Step 2: Convert to fraction form
    158,496.22/218,730.23 = 86,876.25/x
  3. Step 3: Cross multiply
    158,496.22x = 218,730.23 × 86,876.25
  4. Step 4: Simplify right side
    158,496.22x = 19,002,462,144.04
  5. Step 5: Solve for x
    x = 19,002,462,144.04/158,496.22
  6. Step 6: Final answer
    x = 119,892.21

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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.