Home / 118,537.70-163,582.00-64,822.75

Finding the Fourth Proportional to 118,537.70, 163,582.00 and 64,822.75

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Solution

The fourth proportional to 118,537.70, 163,582.00 and 64,822.75 is: 89,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,537.70 : 163,582.00 = 64,822.75 : x
  2. Step 2: Convert to fraction form
    118,537.70/163,582.00 = 64,822.75/x
  3. Step 3: Cross multiply
    118,537.70x = 163,582.00 × 64,822.75
  4. Step 4: Simplify right side
    118,537.70x = 10,603,834,519.49
  5. Step 5: Solve for x
    x = 10,603,834,519.49/118,537.70
  6. Step 6: Final answer
    x = 89,455.38

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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.