Home / 160,686.08-221,760.06-89,088.56

Finding the Fourth Proportional to 160,686.08, 221,760.06 and 89,088.56

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Solution

The fourth proportional to 160,686.08, 221,760.06 and 89,088.56 is: 122,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,686.08 : 221,760.06 = 89,088.56 : x
  2. Step 2: Convert to fraction form
    160,686.08/221,760.06 = 89,088.56/x
  3. Step 3: Cross multiply
    160,686.08x = 221,760.06 × 89,088.56
  4. Step 4: Simplify right side
    160,686.08x = 19,756,284,410.91
  5. Step 5: Solve for x
    x = 19,756,284,410.91/160,686.08
  6. Step 6: Final answer
    x = 122,949.57

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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.