Home / 272,587.98-376,171.34-151,726.68

Finding the Fourth Proportional to 272,587.98, 376,171.34 and 151,726.68

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Solution

The fourth proportional to 272,587.98, 376,171.34 and 151,726.68 is: 209,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,587.98 : 376,171.34 = 151,726.68 : x
  2. Step 2: Convert to fraction form
    272,587.98/376,171.34 = 151,726.68/x
  3. Step 3: Cross multiply
    272,587.98x = 376,171.34 × 151,726.68
  4. Step 4: Simplify right side
    272,587.98x = 57,075,228,529.35
  5. Step 5: Solve for x
    x = 57,075,228,529.35/272,587.98
  6. Step 6: Final answer
    x = 209,382.78

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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.