Home / 538,331.15-807,614.97-159,222.35

Finding the Fourth Proportional to 538,331.15, 807,614.97 and 159,222.35

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Solution

The fourth proportional to 538,331.15, 807,614.97 and 159,222.35 is: 238,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,331.15 : 807,614.97 = 159,222.35 : x
  2. Step 2: Convert to fraction form
    538,331.15/807,614.97 = 159,222.35/x
  3. Step 3: Cross multiply
    538,331.15x = 807,614.97 × 159,222.35
  4. Step 4: Simplify right side
    538,331.15x = 128,590,355,437.62
  5. Step 5: Solve for x
    x = 128,590,355,437.62/538,331.15
  6. Step 6: Final answer
    x = 238,868.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.