Home / 272,171.30-375,575.10-151,305.23

Finding the Fourth Proportional to 272,171.30, 375,575.10 and 151,305.23

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Solution

The fourth proportional to 272,171.30, 375,575.10 and 151,305.23 is: 208,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,171.30 : 375,575.10 = 151,305.23 : x
  2. Step 2: Convert to fraction form
    272,171.30/375,575.10 = 151,305.23/x
  3. Step 3: Cross multiply
    272,171.30x = 375,575.10 × 151,305.23
  4. Step 4: Simplify right side
    272,171.30x = 56,826,475,009.90
  5. Step 5: Solve for x
    x = 56,826,475,009.90/272,171.30
  6. Step 6: Final answer
    x = 208,789.38

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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.