Home / 151,205.58-208,628.10-127,098.18

Finding the Fourth Proportional to 151,205.58, 208,628.10 and 127,098.18

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Solution

The fourth proportional to 151,205.58, 208,628.10 and 127,098.18 is: 175,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,205.58 : 208,628.10 = 127,098.18 : x
  2. Step 2: Convert to fraction form
    151,205.58/208,628.10 = 127,098.18/x
  3. Step 3: Cross multiply
    151,205.58x = 208,628.10 × 127,098.18
  4. Step 4: Simplify right side
    151,205.58x = 26,516,251,806.86
  5. Step 5: Solve for x
    x = 26,516,251,806.86/151,205.58
  6. Step 6: Final answer
    x = 175,365.56

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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.