Home / 183,748.91-253,579.61-103,190.76

Finding the Fourth Proportional to 183,748.91, 253,579.61 and 103,190.76

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Solution

The fourth proportional to 183,748.91, 253,579.61 and 103,190.76 is: 142,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,748.91 : 253,579.61 = 103,190.76 : x
  2. Step 2: Convert to fraction form
    183,748.91/253,579.61 = 103,190.76/x
  3. Step 3: Cross multiply
    183,748.91x = 253,579.61 × 103,190.76
  4. Step 4: Simplify right side
    183,748.91x = 26,167,072,934.38
  5. Step 5: Solve for x
    x = 26,167,072,934.38/183,748.91
  6. Step 6: Final answer
    x = 142,406.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.