Home / 300,725.15-415,001.03-162,904.40

Finding the Fourth Proportional to 300,725.15, 415,001.03 and 162,904.40

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Solution

The fourth proportional to 300,725.15, 415,001.03 and 162,904.40 is: 224,808.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,725.15 : 415,001.03 = 162,904.40 : x
  2. Step 2: Convert to fraction form
    300,725.15/415,001.03 = 162,904.40/x
  3. Step 3: Cross multiply
    300,725.15x = 415,001.03 × 162,904.40
  4. Step 4: Simplify right side
    300,725.15x = 67,605,490,902.00
  5. Step 5: Solve for x
    x = 67,605,490,902.00/300,725.15
  6. Step 6: Final answer
    x = 224,808.24

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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.