Home / 276,827.60-382,015.76-169,397.30

Finding the Fourth Proportional to 276,827.60, 382,015.76 and 169,397.30

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Solution

The fourth proportional to 276,827.60, 382,015.76 and 169,397.30 is: 233,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,827.60 : 382,015.76 = 169,397.30 : x
  2. Step 2: Convert to fraction form
    276,827.60/382,015.76 = 169,397.30/x
  3. Step 3: Cross multiply
    276,827.60x = 382,015.76 × 169,397.30
  4. Step 4: Simplify right side
    276,827.60x = 64,712,438,301.45
  5. Step 5: Solve for x
    x = 64,712,438,301.45/276,827.60
  6. Step 6: Final answer
    x = 233,764.40

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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.