Home / 141,077.56-194,686.92-77,419.36

Finding the Fourth Proportional to 141,077.56, 194,686.92 and 77,419.36

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Solution

The fourth proportional to 141,077.56, 194,686.92 and 77,419.36 is: 106,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,077.56 : 194,686.92 = 77,419.36 : x
  2. Step 2: Convert to fraction form
    141,077.56/194,686.92 = 77,419.36/x
  3. Step 3: Cross multiply
    141,077.56x = 194,686.92 × 77,419.36
  4. Step 4: Simplify right side
    141,077.56x = 15,072,536,746.77
  5. Step 5: Solve for x
    x = 15,072,536,746.77/141,077.56
  6. Step 6: Final answer
    x = 106,838.65

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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.