Home / 261,968.59-393,025.23-104,307.76

Finding the Fourth Proportional to 261,968.59, 393,025.23 and 104,307.76

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Solution

The fourth proportional to 261,968.59, 393,025.23 and 104,307.76 is: 156,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,968.59 : 393,025.23 = 104,307.76 : x
  2. Step 2: Convert to fraction form
    261,968.59/393,025.23 = 104,307.76/x
  3. Step 3: Cross multiply
    261,968.59x = 393,025.23 × 104,307.76
  4. Step 4: Simplify right side
    261,968.59x = 40,995,581,364.78
  5. Step 5: Solve for x
    x = 40,995,581,364.78/261,968.59
  6. Step 6: Final answer
    x = 156,490.45

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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.