Home / 119,434.36-164,764.30-77,006.56

Finding the Fourth Proportional to 119,434.36, 164,764.30 and 77,006.56

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Solution

The fourth proportional to 119,434.36, 164,764.30 and 77,006.56 is: 106,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,434.36 : 164,764.30 = 77,006.56 : x
  2. Step 2: Convert to fraction form
    119,434.36/164,764.30 = 77,006.56/x
  3. Step 3: Cross multiply
    119,434.36x = 164,764.30 × 77,006.56
  4. Step 4: Simplify right side
    119,434.36x = 12,687,931,953.81
  5. Step 5: Solve for x
    x = 12,687,931,953.81/119,434.36
  6. Step 6: Final answer
    x = 106,233.52

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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.