Home / 141,098.34-194,717.28-77,434.77

Finding the Fourth Proportional to 141,098.34, 194,717.28 and 77,434.77

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Solution

The fourth proportional to 141,098.34, 194,717.28 and 77,434.77 is: 106,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,098.34 : 194,717.28 = 77,434.77 : x
  2. Step 2: Convert to fraction form
    141,098.34/194,717.28 = 77,434.77/x
  3. Step 3: Cross multiply
    141,098.34x = 194,717.28 × 77,434.77
  4. Step 4: Simplify right side
    141,098.34x = 15,077,887,791.83
  5. Step 5: Solve for x
    x = 15,077,887,791.83/141,098.34
  6. Step 6: Final answer
    x = 106,860.84

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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.