Home / 141,001.29-194,580.71-77,338.63

Finding the Fourth Proportional to 141,001.29, 194,580.71 and 77,338.63

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Solution

The fourth proportional to 141,001.29, 194,580.71 and 77,338.63 is: 106,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,001.29 : 194,580.71 = 77,338.63 : x
  2. Step 2: Convert to fraction form
    141,001.29/194,580.71 = 77,338.63/x
  3. Step 3: Cross multiply
    141,001.29x = 194,580.71 × 77,338.63
  4. Step 4: Simplify right side
    141,001.29x = 15,048,605,535.83
  5. Step 5: Solve for x
    x = 15,048,605,535.83/141,001.29
  6. Step 6: Final answer
    x = 106,726.72

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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.