Home / 185,701.64-256,274.14-105,127.70

Finding the Fourth Proportional to 185,701.64, 256,274.14 and 105,127.70

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Solution

The fourth proportional to 185,701.64, 256,274.14 and 105,127.70 is: 145,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,701.64 : 256,274.14 = 105,127.70 : x
  2. Step 2: Convert to fraction form
    185,701.64/256,274.14 = 105,127.70/x
  3. Step 3: Cross multiply
    185,701.64x = 256,274.14 × 105,127.70
  4. Step 4: Simplify right side
    185,701.64x = 26,941,510,907.68
  5. Step 5: Solve for x
    x = 26,941,510,907.68/185,701.64
  6. Step 6: Final answer
    x = 145,079.55

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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.