Home / 158,095.56-218,168.82-86,475.36

Finding the Fourth Proportional to 158,095.56, 218,168.82 and 86,475.36

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Solution

The fourth proportional to 158,095.56, 218,168.82 and 86,475.36 is: 119,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,095.56 : 218,168.82 = 86,475.36 : x
  2. Step 2: Convert to fraction form
    158,095.56/218,168.82 = 86,475.36/x
  3. Step 3: Cross multiply
    158,095.56x = 218,168.82 × 86,475.36
  4. Step 4: Simplify right side
    158,095.56x = 18,866,227,250.28
  5. Step 5: Solve for x
    x = 18,866,227,250.28/158,095.56
  6. Step 6: Final answer
    x = 119,334.33

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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.