Home / 119,050.98-164,297.75-78,694.76

Finding the Fourth Proportional to 119,050.98, 164,297.75 and 78,694.76

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Solution

The fourth proportional to 119,050.98, 164,297.75 and 78,694.76 is: 108,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,050.98 : 164,297.75 = 78,694.76 : x
  2. Step 2: Convert to fraction form
    119,050.98/164,297.75 = 78,694.76/x
  3. Step 3: Cross multiply
    119,050.98x = 164,297.75 × 78,694.76
  4. Step 4: Simplify right side
    119,050.98x = 12,929,372,004.79
  5. Step 5: Solve for x
    x = 12,929,372,004.79/119,050.98
  6. Step 6: Final answer
    x = 108,603.66

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1.5x scale

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.