Home / 153,290.04-211,507.94-89,615.54

Finding the Fourth Proportional to 153,290.04, 211,507.94 and 89,615.54

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Solution

The fourth proportional to 153,290.04, 211,507.94 and 89,615.54 is: 123,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,290.04 : 211,507.94 = 89,615.54 : x
  2. Step 2: Convert to fraction form
    153,290.04/211,507.94 = 89,615.54/x
  3. Step 3: Cross multiply
    153,290.04x = 211,507.94 × 89,615.54
  4. Step 4: Simplify right side
    153,290.04x = 18,954,398,257.39
  5. Step 5: Solve for x
    x = 18,954,398,257.39/153,290.04
  6. Step 6: Final answer
    x = 123,650.55

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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.