Home / 160,707.19-221,731.05-126,609.85

Finding the Fourth Proportional to 160,707.19, 221,731.05 and 126,609.85

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Solution

The fourth proportional to 160,707.19, 221,731.05 and 126,609.85 is: 174,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,707.19 : 221,731.05 = 126,609.85 : x
  2. Step 2: Convert to fraction form
    160,707.19/221,731.05 = 126,609.85/x
  3. Step 3: Cross multiply
    160,707.19x = 221,731.05 × 126,609.85
  4. Step 4: Simplify right side
    160,707.19x = 28,073,334,980.84
  5. Step 5: Solve for x
    x = 28,073,334,980.84/160,707.19
  6. Step 6: Final answer
    x = 174,686.24

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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.