Home / 160,657.77-221,706.38-88,064.72

Finding the Fourth Proportional to 160,657.77, 221,706.38 and 88,064.72

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Solution

The fourth proportional to 160,657.77, 221,706.38 and 88,064.72 is: 121,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,657.77 : 221,706.38 = 88,064.72 : x
  2. Step 2: Convert to fraction form
    160,657.77/221,706.38 = 88,064.72/x
  3. Step 3: Cross multiply
    160,657.77x = 221,706.38 × 88,064.72
  4. Step 4: Simplify right side
    160,657.77x = 19,524,508,728.06
  5. Step 5: Solve for x
    x = 19,524,508,728.06/160,657.77
  6. Step 6: Final answer
    x = 121,528.57

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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.