Home / 160,589.48-221,615.06-88,970.49

Finding the Fourth Proportional to 160,589.48, 221,615.06 and 88,970.49

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Solution

The fourth proportional to 160,589.48, 221,615.06 and 88,970.49 is: 122,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,589.48 : 221,615.06 = 88,970.49 : x
  2. Step 2: Convert to fraction form
    160,589.48/221,615.06 = 88,970.49/x
  3. Step 3: Cross multiply
    160,589.48x = 221,615.06 × 88,970.49
  4. Step 4: Simplify right side
    160,589.48x = 19,717,200,034.73
  5. Step 5: Solve for x
    x = 19,717,200,034.73/160,589.48
  6. Step 6: Final answer
    x = 122,780.15

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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.