Home / 134,974.98-186,266.88-74,547.14

Finding the Fourth Proportional to 134,974.98, 186,266.88 and 74,547.14

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Solution

The fourth proportional to 134,974.98, 186,266.88 and 74,547.14 is: 102,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,974.98 : 186,266.88 = 74,547.14 : x
  2. Step 2: Convert to fraction form
    134,974.98/186,266.88 = 74,547.14/x
  3. Step 3: Cross multiply
    134,974.98x = 186,266.88 × 74,547.14
  4. Step 4: Simplify right side
    134,974.98x = 13,885,663,180.72
  5. Step 5: Solve for x
    x = 13,885,663,180.72/134,974.98
  6. Step 6: Final answer
    x = 102,875.83

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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.