Home / 141,701.27-195,547.91-77,170.59

Finding the Fourth Proportional to 141,701.27, 195,547.91 and 77,170.59

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Solution

The fourth proportional to 141,701.27, 195,547.91 and 77,170.59 is: 106,495.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,701.27 : 195,547.91 = 77,170.59 : x
  2. Step 2: Convert to fraction form
    141,701.27/195,547.91 = 77,170.59/x
  3. Step 3: Cross multiply
    141,701.27x = 195,547.91 × 77,170.59
  4. Step 4: Simplify right side
    141,701.27x = 15,090,547,202.11
  5. Step 5: Solve for x
    x = 15,090,547,202.11/141,701.27
  6. Step 6: Final answer
    x = 106,495.50

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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.