Home / 186,211.74-279,456.18-91,492.77

Finding the Fourth Proportional to 186,211.74, 279,456.18 and 91,492.77

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Solution

The fourth proportional to 186,211.74, 279,456.18 and 91,492.77 is: 137,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,211.74 : 279,456.18 = 91,492.77 : x
  2. Step 2: Convert to fraction form
    186,211.74/279,456.18 = 91,492.77/x
  3. Step 3: Cross multiply
    186,211.74x = 279,456.18 × 91,492.77
  4. Step 4: Simplify right side
    186,211.74x = 25,568,220,001.82
  5. Step 5: Solve for x
    x = 25,568,220,001.82/186,211.74
  6. Step 6: Final answer
    x = 137,307.24

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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.