Home / 278,725.56-384,800.88-183,509.04

Finding the Fourth Proportional to 278,725.56, 384,800.88 and 183,509.04

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Solution

The fourth proportional to 278,725.56, 384,800.88 and 183,509.04 is: 253,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,725.56 : 384,800.88 = 183,509.04 : x
  2. Step 2: Convert to fraction form
    278,725.56/384,800.88 = 183,509.04/x
  3. Step 3: Cross multiply
    278,725.56x = 384,800.88 × 183,509.04
  4. Step 4: Simplify right side
    278,725.56x = 70,614,440,079.96
  5. Step 5: Solve for x
    x = 70,614,440,079.96/278,725.56
  6. Step 6: Final answer
    x = 253,347.56

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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.