Home / 186,215.13-279,240.71-53,065.17

Finding the Fourth Proportional to 186,215.13, 279,240.71 and 53,065.17

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Solution

The fourth proportional to 186,215.13, 279,240.71 and 53,065.17 is: 79,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,215.13 : 279,240.71 = 53,065.17 : x
  2. Step 2: Convert to fraction form
    186,215.13/279,240.71 = 53,065.17/x
  3. Step 3: Cross multiply
    186,215.13x = 279,240.71 × 53,065.17
  4. Step 4: Simplify right side
    186,215.13x = 14,817,955,481.74
  5. Step 5: Solve for x
    x = 14,817,955,481.74/186,215.13
  6. Step 6: Final answer
    x = 79,574.39

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1.5x scale

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.