Home / 141,526.64-195,316.25-77,868.54

Finding the Fourth Proportional to 141,526.64, 195,316.25 and 77,868.54

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Solution

The fourth proportional to 141,526.64, 195,316.25 and 77,868.54 is: 107,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,526.64 : 195,316.25 = 77,868.54 : x
  2. Step 2: Convert to fraction form
    141,526.64/195,316.25 = 77,868.54/x
  3. Step 3: Cross multiply
    141,526.64x = 195,316.25 × 77,868.54
  4. Step 4: Simplify right side
    141,526.64x = 15,208,990,836.43
  5. Step 5: Solve for x
    x = 15,208,990,836.43/141,526.64
  6. Step 6: Final answer
    x = 107,463.80

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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.