Home / 159,351.47-238,521.77-89,017.55

Finding the Fourth Proportional to 159,351.47, 238,521.77 and 89,017.55

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Solution

The fourth proportional to 159,351.47, 238,521.77 and 89,017.55 is: 133,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,351.47 : 238,521.77 = 89,017.55 : x
  2. Step 2: Convert to fraction form
    159,351.47/238,521.77 = 89,017.55/x
  3. Step 3: Cross multiply
    159,351.47x = 238,521.77 × 89,017.55
  4. Step 4: Simplify right side
    159,351.47x = 21,232,623,141.98
  5. Step 5: Solve for x
    x = 21,232,623,141.98/159,351.47
  6. Step 6: Final answer
    x = 133,243.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.