Home / 261,292.07-360,648.38-160,631.75

Finding the Fourth Proportional to 261,292.07, 360,648.38 and 160,631.75

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Solution

The fourth proportional to 261,292.07, 360,648.38 and 160,631.75 is: 221,711.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,292.07 : 360,648.38 = 160,631.75 : x
  2. Step 2: Convert to fraction form
    261,292.07/360,648.38 = 160,631.75/x
  3. Step 3: Cross multiply
    261,292.07x = 360,648.38 × 160,631.75
  4. Step 4: Simplify right side
    261,292.07x = 57,931,579,610.91
  5. Step 5: Solve for x
    x = 57,931,579,610.91/261,292.07
  6. Step 6: Final answer
    x = 221,711.97

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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.