Home / 141,263.28-194,945.76-77,603.76

Finding the Fourth Proportional to 141,263.28, 194,945.76 and 77,603.76

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Solution

The fourth proportional to 141,263.28, 194,945.76 and 77,603.76 is: 107,094.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,263.28 : 194,945.76 = 77,603.76 : x
  2. Step 2: Convert to fraction form
    141,263.28/194,945.76 = 77,603.76/x
  3. Step 3: Cross multiply
    141,263.28x = 194,945.76 × 77,603.76
  4. Step 4: Simplify right side
    141,263.28x = 15,128,523,972.06
  5. Step 5: Solve for x
    x = 15,128,523,972.06/141,263.28
  6. Step 6: Final answer
    x = 107,094.53

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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.