Home / 185,748.48-256,333.91-105,191.69

Finding the Fourth Proportional to 185,748.48, 256,333.91 and 105,191.69

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Solution

The fourth proportional to 185,748.48, 256,333.91 and 105,191.69 is: 145,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,748.48 : 256,333.91 = 105,191.69 : x
  2. Step 2: Convert to fraction form
    185,748.48/256,333.91 = 105,191.69/x
  3. Step 3: Cross multiply
    185,748.48x = 256,333.91 × 105,191.69
  4. Step 4: Simplify right side
    185,748.48x = 26,964,195,389.58
  5. Step 5: Solve for x
    x = 26,964,195,389.58/185,748.48
  6. Step 6: Final answer
    x = 145,165.09

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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.