Home / 118,888.48-163,934.31-75,799.72

Finding the Fourth Proportional to 118,888.48, 163,934.31 and 75,799.72

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Solution

The fourth proportional to 118,888.48, 163,934.31 and 75,799.72 is: 104,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,888.48 : 163,934.31 = 75,799.72 : x
  2. Step 2: Convert to fraction form
    118,888.48/163,934.31 = 75,799.72/x
  3. Step 3: Cross multiply
    118,888.48x = 163,934.31 × 75,799.72
  4. Step 4: Simplify right side
    118,888.48x = 12,426,174,796.39
  5. Step 5: Solve for x
    x = 12,426,174,796.39/118,888.48
  6. Step 6: Final answer
    x = 104,519.59

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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.