Home / 261,248.75-392,758.96-208,613.13

Finding the Fourth Proportional to 261,248.75, 392,758.96 and 208,613.13

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Solution

The fourth proportional to 261,248.75, 392,758.96 and 208,613.13 is: 313,627.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,248.75 : 392,758.96 = 208,613.13 : x
  2. Step 2: Convert to fraction form
    261,248.75/392,758.96 = 208,613.13/x
  3. Step 3: Cross multiply
    261,248.75x = 392,758.96 × 208,613.13
  4. Step 4: Simplify right side
    261,248.75x = 81,934,675,981.14
  5. Step 5: Solve for x
    x = 81,934,675,981.14/261,248.75
  6. Step 6: Final answer
    x = 313,627.05

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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.