Home / 160,609.41-221,631.66-88,985.16

Finding the Fourth Proportional to 160,609.41, 221,631.66 and 88,985.16

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Solution

The fourth proportional to 160,609.41, 221,631.66 and 88,985.16 is: 122,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,609.41 : 221,631.66 = 88,985.16 : x
  2. Step 2: Convert to fraction form
    160,609.41/221,631.66 = 88,985.16/x
  3. Step 3: Cross multiply
    160,609.41x = 221,631.66 × 88,985.16
  4. Step 4: Simplify right side
    160,609.41x = 19,721,928,726.17
  5. Step 5: Solve for x
    x = 19,721,928,726.17/160,609.41
  6. Step 6: Final answer
    x = 122,794.35

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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.