Home / 141,155.76-194,799.96-77,498.40

Finding the Fourth Proportional to 141,155.76, 194,799.96 and 77,498.40

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Solution

The fourth proportional to 141,155.76, 194,799.96 and 77,498.40 is: 106,950.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,155.76 : 194,799.96 = 77,498.40 : x
  2. Step 2: Convert to fraction form
    141,155.76/194,799.96 = 77,498.40/x
  3. Step 3: Cross multiply
    141,155.76x = 194,799.96 × 77,498.40
  4. Step 4: Simplify right side
    141,155.76x = 15,096,685,220.06
  5. Step 5: Solve for x
    x = 15,096,685,220.06/141,155.76
  6. Step 6: Final answer
    x = 106,950.54

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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.