Home / 141,207.86-194,868.20-77,547.01

Finding the Fourth Proportional to 141,207.86, 194,868.20 and 77,547.01

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Solution

The fourth proportional to 141,207.86, 194,868.20 and 77,547.01 is: 107,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,207.86 : 194,868.20 = 77,547.01 : x
  2. Step 2: Convert to fraction form
    141,207.86/194,868.20 = 77,547.01/x
  3. Step 3: Cross multiply
    141,207.86x = 194,868.20 × 77,547.01
  4. Step 4: Simplify right side
    141,207.86x = 15,111,445,960.78
  5. Step 5: Solve for x
    x = 15,111,445,960.78/141,207.86
  6. Step 6: Final answer
    x = 107,015.62

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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.