Home / 158,065.56-218,127.42-86,445.36

Finding the Fourth Proportional to 158,065.56, 218,127.42 and 86,445.36

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Solution

The fourth proportional to 158,065.56, 218,127.42 and 86,445.36 is: 119,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,065.56 : 218,127.42 = 86,445.36 : x
  2. Step 2: Convert to fraction form
    158,065.56/218,127.42 = 86,445.36/x
  3. Step 3: Cross multiply
    158,065.56x = 218,127.42 × 86,445.36
  4. Step 4: Simplify right side
    158,065.56x = 18,856,103,347.77
  5. Step 5: Solve for x
    x = 18,856,103,347.77/158,065.56
  6. Step 6: Final answer
    x = 119,292.93

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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.