Home / 195,885.18-293,655.44-77,639.52

Finding the Fourth Proportional to 195,885.18, 293,655.44 and 77,639.52

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Solution

The fourth proportional to 195,885.18, 293,655.44 and 77,639.52 is: 116,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,885.18 : 293,655.44 = 77,639.52 : x
  2. Step 2: Convert to fraction form
    195,885.18/293,655.44 = 77,639.52/x
  3. Step 3: Cross multiply
    195,885.18x = 293,655.44 × 77,639.52
  4. Step 4: Simplify right side
    195,885.18x = 22,799,267,406.99
  5. Step 5: Solve for x
    x = 22,799,267,406.99/195,885.18
  6. Step 6: Final answer
    x = 116,390.98

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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.