Home / 131,827.10-181,932.60-74,476.95

Finding the Fourth Proportional to 131,827.10, 181,932.60 and 74,476.95

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Solution

The fourth proportional to 131,827.10, 181,932.60 and 74,476.95 is: 102,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,827.10 : 181,932.60 = 74,476.95 : x
  2. Step 2: Convert to fraction form
    131,827.10/181,932.60 = 74,476.95/x
  3. Step 3: Cross multiply
    131,827.10x = 181,932.60 × 74,476.95
  4. Step 4: Simplify right side
    131,827.10x = 13,549,785,153.57
  5. Step 5: Solve for x
    x = 13,549,785,153.57/131,827.10
  6. Step 6: Final answer
    x = 102,784.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.