Home / 151,425.23-208,966.84-87,799.94

Finding the Fourth Proportional to 151,425.23, 208,966.84 and 87,799.94

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Solution

The fourth proportional to 151,425.23, 208,966.84 and 87,799.94 is: 121,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,425.23 : 208,966.84 = 87,799.94 : x
  2. Step 2: Convert to fraction form
    151,425.23/208,966.84 = 87,799.94/x
  3. Step 3: Cross multiply
    151,425.23x = 208,966.84 × 87,799.94
  4. Step 4: Simplify right side
    151,425.23x = 18,347,276,013.99
  5. Step 5: Solve for x
    x = 18,347,276,013.99/151,425.23
  6. Step 6: Final answer
    x = 121,163.93

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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.