Home / 185,767.64-256,437.80-125,420.04

Finding the Fourth Proportional to 185,767.64, 256,437.80 and 125,420.04

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Solution

The fourth proportional to 185,767.64, 256,437.80 and 125,420.04 is: 173,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,767.64 : 256,437.80 = 125,420.04 : x
  2. Step 2: Convert to fraction form
    185,767.64/256,437.80 = 125,420.04/x
  3. Step 3: Cross multiply
    185,767.64x = 256,437.80 × 125,420.04
  4. Step 4: Simplify right side
    185,767.64x = 32,162,439,133.51
  5. Step 5: Solve for x
    x = 32,162,439,133.51/185,767.64
  6. Step 6: Final answer
    x = 173,132.62

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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.