Home / 160,759.32-221,837.06-89,136.70

Finding the Fourth Proportional to 160,759.32, 221,837.06 and 89,136.70

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Solution

The fourth proportional to 160,759.32, 221,837.06 and 89,136.70 is: 123,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,759.32 : 221,837.06 = 89,136.70 : x
  2. Step 2: Convert to fraction form
    160,759.32/221,837.06 = 89,136.70/x
  3. Step 3: Cross multiply
    160,759.32x = 221,837.06 × 89,136.70
  4. Step 4: Simplify right side
    160,759.32x = 19,773,823,466.10
  5. Step 5: Solve for x
    x = 19,773,823,466.10/160,759.32
  6. Step 6: Final answer
    x = 123,002.66

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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.