Home / 185,532.60-256,216.86-128,318.52

Finding the Fourth Proportional to 185,532.60, 256,216.86 and 128,318.52

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Solution

The fourth proportional to 185,532.60, 256,216.86 and 128,318.52 is: 177,205.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,532.60 : 256,216.86 = 128,318.52 : x
  2. Step 2: Convert to fraction form
    185,532.60/256,216.86 = 128,318.52/x
  3. Step 3: Cross multiply
    185,532.60x = 256,216.86 × 128,318.52
  4. Step 4: Simplify right side
    185,532.60x = 32,877,368,274.25
  5. Step 5: Solve for x
    x = 32,877,368,274.25/185,532.60
  6. Step 6: Final answer
    x = 177,205.34

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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.