Home / 141,000.33-194,592.93-77,350.53

Finding the Fourth Proportional to 141,000.33, 194,592.93 and 77,350.53

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Solution

The fourth proportional to 141,000.33, 194,592.93 and 77,350.53 is: 106,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,000.33 : 194,592.93 = 77,350.53 : x
  2. Step 2: Convert to fraction form
    141,000.33/194,592.93 = 77,350.53/x
  3. Step 3: Cross multiply
    141,000.33x = 194,592.93 × 77,350.53
  4. Step 4: Simplify right side
    141,000.33x = 15,051,866,269.75
  5. Step 5: Solve for x
    x = 15,051,866,269.75/141,000.33
  6. Step 6: Final answer
    x = 106,750.57

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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.