Home / 185,756.14-256,346.92-105,183.42

Finding the Fourth Proportional to 185,756.14, 256,346.92 and 105,183.42

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Solution

The fourth proportional to 185,756.14, 256,346.92 and 105,183.42 is: 145,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,756.14 : 256,346.92 = 105,183.42 : x
  2. Step 2: Convert to fraction form
    185,756.14/256,346.92 = 105,183.42/x
  3. Step 3: Cross multiply
    185,756.14x = 256,346.92 × 105,183.42
  4. Step 4: Simplify right side
    185,756.14x = 26,963,445,752.07
  5. Step 5: Solve for x
    x = 26,963,445,752.07/185,756.14
  6. Step 6: Final answer
    x = 145,155.07

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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.