Home / 141,484.38-195,276.18-81,095.51

Finding the Fourth Proportional to 141,484.38, 195,276.18 and 81,095.51

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Solution

The fourth proportional to 141,484.38, 195,276.18 and 81,095.51 is: 111,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,484.38 : 195,276.18 = 81,095.51 : x
  2. Step 2: Convert to fraction form
    141,484.38/195,276.18 = 81,095.51/x
  3. Step 3: Cross multiply
    141,484.38x = 195,276.18 × 81,095.51
  4. Step 4: Simplify right side
    141,484.38x = 15,836,020,431.57
  5. Step 5: Solve for x
    x = 15,836,020,431.57/141,484.38
  6. Step 6: Final answer
    x = 111,927.69

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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.