Home / 160,686.96-221,471.08-106,875.76

Finding the Fourth Proportional to 160,686.96, 221,471.08 and 106,875.76

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Solution

The fourth proportional to 160,686.96, 221,471.08 and 106,875.76 is: 147,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,686.96 : 221,471.08 = 106,875.76 : x
  2. Step 2: Convert to fraction form
    160,686.96/221,471.08 = 106,875.76/x
  3. Step 3: Cross multiply
    160,686.96x = 221,471.08 × 106,875.76
  4. Step 4: Simplify right side
    160,686.96x = 23,669,889,993.02
  5. Step 5: Solve for x
    x = 23,669,889,993.02/160,686.96
  6. Step 6: Final answer
    x = 147,304.36

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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.