Home / 186,279.88-279,430.70-58,178.76

Finding the Fourth Proportional to 186,279.88, 279,430.70 and 58,178.76

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Solution

The fourth proportional to 186,279.88, 279,430.70 and 58,178.76 is: 87,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,279.88 : 279,430.70 = 58,178.76 : x
  2. Step 2: Convert to fraction form
    186,279.88/279,430.70 = 58,178.76/x
  3. Step 3: Cross multiply
    186,279.88x = 279,430.70 × 58,178.76
  4. Step 4: Simplify right side
    186,279.88x = 16,256,931,631.93
  5. Step 5: Solve for x
    x = 16,256,931,631.93/186,279.88
  6. Step 6: Final answer
    x = 87,271.54

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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.