Home / 261,618.56-392,389.53-124,810.77

Finding the Fourth Proportional to 261,618.56, 392,389.53 and 124,810.77

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Solution

The fourth proportional to 261,618.56, 392,389.53 and 124,810.77 is: 187,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,618.56 : 392,389.53 = 124,810.77 : x
  2. Step 2: Convert to fraction form
    261,618.56/392,389.53 = 124,810.77/x
  3. Step 3: Cross multiply
    261,618.56x = 392,389.53 × 124,810.77
  4. Step 4: Simplify right side
    261,618.56x = 48,974,439,379.24
  5. Step 5: Solve for x
    x = 48,974,439,379.24/261,618.56
  6. Step 6: Final answer
    x = 187,197.88

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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.