Home / 141,957.81-195,900.35-81,547.43

Finding the Fourth Proportional to 141,957.81, 195,900.35 and 81,547.43

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Solution

The fourth proportional to 141,957.81, 195,900.35 and 81,547.43 is: 112,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,957.81 : 195,900.35 = 81,547.43 : x
  2. Step 2: Convert to fraction form
    141,957.81/195,900.35 = 81,547.43/x
  3. Step 3: Cross multiply
    141,957.81x = 195,900.35 × 81,547.43
  4. Step 4: Simplify right side
    141,957.81x = 15,975,168,691.36
  5. Step 5: Solve for x
    x = 15,975,168,691.36/141,957.81
  6. Step 6: Final answer
    x = 112,534.62

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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.