Home / 278,774.28-384,867.66-183,557.40

Finding the Fourth Proportional to 278,774.28, 384,867.66 and 183,557.40

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Solution

The fourth proportional to 278,774.28, 384,867.66 and 183,557.40 is: 253,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,774.28 : 384,867.66 = 183,557.40 : x
  2. Step 2: Convert to fraction form
    278,774.28/384,867.66 = 183,557.40/x
  3. Step 3: Cross multiply
    278,774.28x = 384,867.66 × 183,557.40
  4. Step 4: Simplify right side
    278,774.28x = 70,645,307,013.68
  5. Step 5: Solve for x
    x = 70,645,307,013.68/278,774.28
  6. Step 6: Final answer
    x = 253,414.01

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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.