Home / 118,249.50-163,187.76-64,537.95

Finding the Fourth Proportional to 118,249.50, 163,187.76 and 64,537.95

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Solution

The fourth proportional to 118,249.50, 163,187.76 and 64,537.95 is: 89,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,249.50 : 163,187.76 = 64,537.95 : x
  2. Step 2: Convert to fraction form
    118,249.50/163,187.76 = 64,537.95/x
  3. Step 3: Cross multiply
    118,249.50x = 163,187.76 × 64,537.95
  4. Step 4: Simplify right side
    118,249.50x = 10,531,803,495.49
  5. Step 5: Solve for x
    x = 10,531,803,495.49/118,249.50
  6. Step 6: Final answer
    x = 89,064.25

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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.