Home / 157,983.05-236,764.98-69,139.82

Finding the Fourth Proportional to 157,983.05, 236,764.98 and 69,139.82

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Solution

The fourth proportional to 157,983.05, 236,764.98 and 69,139.82 is: 103,618.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,983.05 : 236,764.98 = 69,139.82 : x
  2. Step 2: Convert to fraction form
    157,983.05/236,764.98 = 69,139.82/x
  3. Step 3: Cross multiply
    157,983.05x = 236,764.98 × 69,139.82
  4. Step 4: Simplify right side
    157,983.05x = 16,369,888,099.50
  5. Step 5: Solve for x
    x = 16,369,888,099.50/157,983.05
  6. Step 6: Final answer
    x = 103,618.00

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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.