Home / 105,923.97-146,174.40-63,482.49

Finding the Fourth Proportional to 105,923.97, 146,174.40 and 63,482.49

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Solution

The fourth proportional to 105,923.97, 146,174.40 and 63,482.49 is: 87,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,923.97 : 146,174.40 = 63,482.49 : x
  2. Step 2: Convert to fraction form
    105,923.97/146,174.40 = 63,482.49/x
  3. Step 3: Cross multiply
    105,923.97x = 146,174.40 × 63,482.49
  4. Step 4: Simplify right side
    105,923.97x = 9,279,514,886.26
  5. Step 5: Solve for x
    x = 9,279,514,886.26/105,923.97
  6. Step 6: Final answer
    x = 87,605.43

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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.