Home / 186,631.16-279,960.78-53,510.36

Finding the Fourth Proportional to 186,631.16, 279,960.78 and 53,510.36

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Solution

The fourth proportional to 186,631.16, 279,960.78 and 53,510.36 is: 80,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,631.16 : 279,960.78 = 53,510.36 : x
  2. Step 2: Convert to fraction form
    186,631.16/279,960.78 = 53,510.36/x
  3. Step 3: Cross multiply
    186,631.16x = 279,960.78 × 53,510.36
  4. Step 4: Simplify right side
    186,631.16x = 14,980,802,123.68
  5. Step 5: Solve for x
    x = 14,980,802,123.68/186,631.16
  6. Step 6: Final answer
    x = 80,269.57

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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.