Home / 151,008.48-208,396.08-87,366.24

Finding the Fourth Proportional to 151,008.48, 208,396.08 and 87,366.24

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Solution

The fourth proportional to 151,008.48, 208,396.08 and 87,366.24 is: 120,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,008.48 : 208,396.08 = 87,366.24 : x
  2. Step 2: Convert to fraction form
    151,008.48/208,396.08 = 87,366.24/x
  3. Step 3: Cross multiply
    151,008.48x = 208,396.08 × 87,366.24
  4. Step 4: Simplify right side
    151,008.48x = 18,206,781,940.34
  5. Step 5: Solve for x
    x = 18,206,781,940.34/151,008.48
  6. Step 6: Final answer
    x = 120,567.94

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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.