Home / 261,566.90-392,348.28-173,215.76

Finding the Fourth Proportional to 261,566.90, 392,348.28 and 173,215.76

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Solution

The fourth proportional to 261,566.90, 392,348.28 and 173,215.76 is: 259,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,566.90 : 392,348.28 = 173,215.76 : x
  2. Step 2: Convert to fraction form
    261,566.90/392,348.28 = 173,215.76/x
  3. Step 3: Cross multiply
    261,566.90x = 392,348.28 × 173,215.76
  4. Step 4: Simplify right side
    261,566.90x = 67,960,905,504.89
  5. Step 5: Solve for x
    x = 67,960,905,504.89/261,566.90
  6. Step 6: Final answer
    x = 259,822.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.