Home / 118,538.33-163,582.80-64,823.33

Finding the Fourth Proportional to 118,538.33, 163,582.80 and 64,823.33

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Solution

The fourth proportional to 118,538.33, 163,582.80 and 64,823.33 is: 89,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,538.33 : 163,582.80 = 64,823.33 : x
  2. Step 2: Convert to fraction form
    118,538.33/163,582.80 = 64,823.33/x
  3. Step 3: Cross multiply
    118,538.33x = 163,582.80 × 64,823.33
  4. Step 4: Simplify right side
    118,538.33x = 10,603,982,235.68
  5. Step 5: Solve for x
    x = 10,603,982,235.68/118,538.33
  6. Step 6: Final answer
    x = 89,456.14

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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.