Home / 278,354.28-384,118.59-151,027.14

Finding the Fourth Proportional to 278,354.28, 384,118.59 and 151,027.14

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Solution

The fourth proportional to 278,354.28, 384,118.59 and 151,027.14 is: 208,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,354.28 : 384,118.59 = 151,027.14 : x
  2. Step 2: Convert to fraction form
    278,354.28/384,118.59 = 151,027.14/x
  3. Step 3: Cross multiply
    278,354.28x = 384,118.59 × 151,027.14
  4. Step 4: Simplify right side
    278,354.28x = 58,012,332,068.53
  5. Step 5: Solve for x
    x = 58,012,332,068.53/278,354.28
  6. Step 6: Final answer
    x = 208,411.86

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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.