Home / 160,211.09-221,095.10-88,592.51

Finding the Fourth Proportional to 160,211.09, 221,095.10 and 88,592.51

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Solution

The fourth proportional to 160,211.09, 221,095.10 and 88,592.51 is: 122,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,211.09 : 221,095.10 = 88,592.51 : x
  2. Step 2: Convert to fraction form
    160,211.09/221,095.10 = 88,592.51/x
  3. Step 3: Cross multiply
    160,211.09x = 221,095.10 × 88,592.51
  4. Step 4: Simplify right side
    160,211.09x = 19,587,369,857.70
  5. Step 5: Solve for x
    x = 19,587,369,857.70/160,211.09
  6. Step 6: Final answer
    x = 122,259.76

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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.