Home / 141,717.25-195,565.74-77,185.00

Finding the Fourth Proportional to 141,717.25, 195,565.74 and 77,185.00

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Solution

The fourth proportional to 141,717.25, 195,565.74 and 77,185.00 is: 106,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,717.25 : 195,565.74 = 77,185.00 : x
  2. Step 2: Convert to fraction form
    141,717.25/195,565.74 = 77,185.00/x
  3. Step 3: Cross multiply
    141,717.25x = 195,565.74 × 77,185.00
  4. Step 4: Simplify right side
    141,717.25x = 15,094,742,031.08
  5. Step 5: Solve for x
    x = 15,094,742,031.08/141,717.25
  6. Step 6: Final answer
    x = 106,513.09

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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.