Home / 186,386.30-279,588.67-53,286.16

Finding the Fourth Proportional to 186,386.30, 279,588.67 and 53,286.16

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Solution

The fourth proportional to 186,386.30, 279,588.67 and 53,286.16 is: 79,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,386.30 : 279,588.67 = 53,286.16 : x
  2. Step 2: Convert to fraction form
    186,386.30/279,588.67 = 53,286.16/x
  3. Step 3: Cross multiply
    186,386.30x = 279,588.67 × 53,286.16
  4. Step 4: Simplify right side
    186,386.30x = 14,898,206,603.81
  5. Step 5: Solve for x
    x = 14,898,206,603.81/186,386.30
  6. Step 6: Final answer
    x = 79,931.88

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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.