Home / 160,561.71-221,572.26-88,941.51

Finding the Fourth Proportional to 160,561.71, 221,572.26 and 88,941.51

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Solution

The fourth proportional to 160,561.71, 221,572.26 and 88,941.51 is: 122,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,561.71 : 221,572.26 = 88,941.51 : x
  2. Step 2: Convert to fraction form
    160,561.71/221,572.26 = 88,941.51/x
  3. Step 3: Cross multiply
    160,561.71x = 221,572.26 × 88,941.51
  4. Step 4: Simplify right side
    160,561.71x = 19,706,971,378.51
  5. Step 5: Solve for x
    x = 19,706,971,378.51/160,561.71
  6. Step 6: Final answer
    x = 122,737.68

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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.