Home / 276,964.08-382,210.56-149,639.64

Finding the Fourth Proportional to 276,964.08, 382,210.56 and 149,639.64

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Solution

The fourth proportional to 276,964.08, 382,210.56 and 149,639.64 is: 206,502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,964.08 : 382,210.56 = 149,639.64 : x
  2. Step 2: Convert to fraction form
    276,964.08/382,210.56 = 149,639.64/x
  3. Step 3: Cross multiply
    276,964.08x = 382,210.56 × 149,639.64
  4. Step 4: Simplify right side
    276,964.08x = 57,193,850,602.60
  5. Step 5: Solve for x
    x = 57,193,850,602.60/276,964.08
  6. Step 6: Final answer
    x = 206,502.77

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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.