Home / 118,448.73-163,456.38-64,732.37

Finding the Fourth Proportional to 118,448.73, 163,456.38 and 64,732.37

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Solution

The fourth proportional to 118,448.73, 163,456.38 and 64,732.37 is: 89,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,448.73 : 163,456.38 = 64,732.37 : x
  2. Step 2: Convert to fraction form
    118,448.73/163,456.38 = 64,732.37/x
  3. Step 3: Cross multiply
    118,448.73x = 163,456.38 × 64,732.37
  4. Step 4: Simplify right side
    118,448.73x = 10,580,918,051.74
  5. Step 5: Solve for x
    x = 10,580,918,051.74/118,448.73
  6. Step 6: Final answer
    x = 89,329.10

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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.