Home / 150,521.86-207,726.54-86,001.72

Finding the Fourth Proportional to 150,521.86, 207,726.54 and 86,001.72

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Solution

The fourth proportional to 150,521.86, 207,726.54 and 86,001.72 is: 118,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,521.86 : 207,726.54 = 86,001.72 : x
  2. Step 2: Convert to fraction form
    150,521.86/207,726.54 = 86,001.72/x
  3. Step 3: Cross multiply
    150,521.86x = 207,726.54 × 86,001.72
  4. Step 4: Simplify right side
    150,521.86x = 17,864,839,729.65
  5. Step 5: Solve for x
    x = 17,864,839,729.65/150,521.86
  6. Step 6: Final answer
    x = 118,686.01

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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.