Home / 185,924.28-256,574.80-105,367.21

Finding the Fourth Proportional to 185,924.28, 256,574.80 and 105,367.21

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Solution

The fourth proportional to 185,924.28, 256,574.80 and 105,367.21 is: 145,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,924.28 : 256,574.80 = 105,367.21 : x
  2. Step 2: Convert to fraction form
    185,924.28/256,574.80 = 105,367.21/x
  3. Step 3: Cross multiply
    185,924.28x = 256,574.80 × 105,367.21
  4. Step 4: Simplify right side
    185,924.28x = 27,034,570,322.58
  5. Step 5: Solve for x
    x = 27,034,570,322.58/185,924.28
  6. Step 6: Final answer
    x = 145,406.34

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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.