Home / 160,246.71-221,208.54-99,847.19

Finding the Fourth Proportional to 160,246.71, 221,208.54 and 99,847.19

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Solution

The fourth proportional to 160,246.71, 221,208.54 and 99,847.19 is: 137,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,246.71 : 221,208.54 = 99,847.19 : x
  2. Step 2: Convert to fraction form
    160,246.71/221,208.54 = 99,847.19/x
  3. Step 3: Cross multiply
    160,246.71x = 221,208.54 × 99,847.19
  4. Step 4: Simplify right side
    160,246.71x = 22,087,051,635.68
  5. Step 5: Solve for x
    x = 22,087,051,635.68/160,246.71
  6. Step 6: Final answer
    x = 137,831.55

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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.