Home / 261,663.03-392,165.42-141,715.26

Finding the Fourth Proportional to 261,663.03, 392,165.42 and 141,715.26

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Solution

The fourth proportional to 261,663.03, 392,165.42 and 141,715.26 is: 212,394.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,663.03 : 392,165.42 = 141,715.26 : x
  2. Step 2: Convert to fraction form
    261,663.03/392,165.42 = 141,715.26/x
  3. Step 3: Cross multiply
    261,663.03x = 392,165.42 × 141,715.26
  4. Step 4: Simplify right side
    261,663.03x = 55,575,823,749.73
  5. Step 5: Solve for x
    x = 55,575,823,749.73/261,663.03
  6. Step 6: Final answer
    x = 212,394.63

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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.