Home / 160,826.22-221,941.26-89,207.46

Finding the Fourth Proportional to 160,826.22, 221,941.26 and 89,207.46

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Solution

The fourth proportional to 160,826.22, 221,941.26 and 89,207.46 is: 123,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,826.22 : 221,941.26 = 89,207.46 : x
  2. Step 2: Convert to fraction form
    160,826.22/221,941.26 = 89,207.46/x
  3. Step 3: Cross multiply
    160,826.22x = 221,941.26 × 89,207.46
  4. Step 4: Simplify right side
    160,826.22x = 19,798,816,073.80
  5. Step 5: Solve for x
    x = 19,798,816,073.80/160,826.22
  6. Step 6: Final answer
    x = 123,106.89

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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.