Home / 160,492.15-221,479.14-88,872.18

Finding the Fourth Proportional to 160,492.15, 221,479.14 and 88,872.18

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Solution

The fourth proportional to 160,492.15, 221,479.14 and 88,872.18 is: 122,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,492.15 : 221,479.14 = 88,872.18 : x
  2. Step 2: Convert to fraction form
    160,492.15/221,479.14 = 88,872.18/x
  3. Step 3: Cross multiply
    160,492.15x = 221,479.14 × 88,872.18
  4. Step 4: Simplify right side
    160,492.15x = 19,683,333,996.33
  5. Step 5: Solve for x
    x = 19,683,333,996.33/160,492.15
  6. Step 6: Final answer
    x = 122,643.59

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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.