Home / 118,304.77-163,279.33-75,239.37

Finding the Fourth Proportional to 118,304.77, 163,279.33 and 75,239.37

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Solution

The fourth proportional to 118,304.77, 163,279.33 and 75,239.37 is: 103,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,304.77 : 163,279.33 = 75,239.37 : x
  2. Step 2: Convert to fraction form
    118,304.77/163,279.33 = 75,239.37/x
  3. Step 3: Cross multiply
    118,304.77x = 163,279.33 × 75,239.37
  4. Step 4: Simplify right side
    118,304.77x = 12,285,033,923.22
  5. Step 5: Solve for x
    x = 12,285,033,923.22/118,304.77
  6. Step 6: Final answer
    x = 103,842.25

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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.