Home / 185,756.96-256,347.17-105,182.75

Finding the Fourth Proportional to 185,756.96, 256,347.17 and 105,182.75

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Solution

The fourth proportional to 185,756.96, 256,347.17 and 105,182.75 is: 145,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,756.96 : 256,347.17 = 105,182.75 : x
  2. Step 2: Convert to fraction form
    185,756.96/256,347.17 = 105,182.75/x
  3. Step 3: Cross multiply
    185,756.96x = 256,347.17 × 105,182.75
  4. Step 4: Simplify right side
    185,756.96x = 26,963,298,487.67
  5. Step 5: Solve for x
    x = 26,963,298,487.67/185,756.96
  6. Step 6: Final answer
    x = 145,153.64

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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.