Home / 185,748.58-256,332.36-105,168.16

Finding the Fourth Proportional to 185,748.58, 256,332.36 and 105,168.16

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Solution

The fourth proportional to 185,748.58, 256,332.36 and 105,168.16 is: 145,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,748.58 : 256,332.36 = 105,168.16 : x
  2. Step 2: Convert to fraction form
    185,748.58/256,332.36 = 105,168.16/x
  3. Step 3: Cross multiply
    185,748.58x = 256,332.36 × 105,168.16
  4. Step 4: Simplify right side
    185,748.58x = 26,958,002,649.66
  5. Step 5: Solve for x
    x = 26,958,002,649.66/185,748.58
  6. Step 6: Final answer
    x = 145,131.68

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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.