Home / 195,895.17-293,670.45-77,649.51

Finding the Fourth Proportional to 195,895.17, 293,670.45 and 77,649.51

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Solution

The fourth proportional to 195,895.17, 293,670.45 and 77,649.51 is: 116,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,895.17 : 293,670.45 = 77,649.51 : x
  2. Step 2: Convert to fraction form
    195,895.17/293,670.45 = 77,649.51/x
  3. Step 3: Cross multiply
    195,895.17x = 293,670.45 × 77,649.51
  4. Step 4: Simplify right side
    195,895.17x = 22,803,366,543.98
  5. Step 5: Solve for x
    x = 22,803,366,543.98/195,895.17
  6. Step 6: Final answer
    x = 116,405.97

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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.