Home / 261,277.30-391,823.61-124,483.69

Finding the Fourth Proportional to 261,277.30, 391,823.61 and 124,483.69

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Solution

The fourth proportional to 261,277.30, 391,823.61 and 124,483.69 is: 186,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,277.30 : 391,823.61 = 124,483.69 : x
  2. Step 2: Convert to fraction form
    261,277.30/391,823.61 = 124,483.69/x
  3. Step 3: Cross multiply
    261,277.30x = 391,823.61 × 124,483.69
  4. Step 4: Simplify right side
    261,277.30x = 48,775,648,801.92
  5. Step 5: Solve for x
    x = 48,775,648,801.92/261,277.30
  6. Step 6: Final answer
    x = 186,681.54

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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.