Home / 129,547.51-194,302.82-40,798.71

Finding the Fourth Proportional to 129,547.51, 194,302.82 and 40,798.71

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Solution

The fourth proportional to 129,547.51, 194,302.82 and 40,798.71 is: 61,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,547.51 : 194,302.82 = 40,798.71 : x
  2. Step 2: Convert to fraction form
    129,547.51/194,302.82 = 40,798.71/x
  3. Step 3: Cross multiply
    129,547.51x = 194,302.82 × 40,798.71
  4. Step 4: Simplify right side
    129,547.51x = 7,927,304,910.40
  5. Step 5: Solve for x
    x = 7,927,304,910.40/129,547.51
  6. Step 6: Final answer
    x = 61,192.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.