Home / 185,756.25-256,344.63-105,199.47

Finding the Fourth Proportional to 185,756.25, 256,344.63 and 105,199.47

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Solution

The fourth proportional to 185,756.25, 256,344.63 and 105,199.47 is: 145,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,756.25 : 256,344.63 = 105,199.47 : x
  2. Step 2: Convert to fraction form
    185,756.25/256,344.63 = 105,199.47/x
  3. Step 3: Cross multiply
    185,756.25x = 256,344.63 × 105,199.47
  4. Step 4: Simplify right side
    185,756.25x = 26,967,319,213.35
  5. Step 5: Solve for x
    x = 26,967,319,213.35/185,756.25
  6. Step 6: Final answer
    x = 145,175.84

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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.