Home / 261,928.24-392,916.48-84,393.52

Finding the Fourth Proportional to 261,928.24, 392,916.48 and 84,393.52

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Solution

The fourth proportional to 261,928.24, 392,916.48 and 84,393.52 is: 126,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,928.24 : 392,916.48 = 84,393.52 : x
  2. Step 2: Convert to fraction form
    261,928.24/392,916.48 = 84,393.52/x
  3. Step 3: Cross multiply
    261,928.24x = 392,916.48 × 84,393.52
  4. Step 4: Simplify right side
    261,928.24x = 33,159,604,813.21
  5. Step 5: Solve for x
    x = 33,159,604,813.21/261,928.24
  6. Step 6: Final answer
    x = 126,598.05

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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.