Home / 153,559.24-211,924.74-86,504.20

Finding the Fourth Proportional to 153,559.24, 211,924.74 and 86,504.20

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Solution

The fourth proportional to 153,559.24, 211,924.74 and 86,504.20 is: 119,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,559.24 : 211,924.74 = 86,504.20 : x
  2. Step 2: Convert to fraction form
    153,559.24/211,924.74 = 86,504.20/x
  3. Step 3: Cross multiply
    153,559.24x = 211,924.74 × 86,504.20
  4. Step 4: Simplify right side
    153,559.24x = 18,332,380,093.91
  5. Step 5: Solve for x
    x = 18,332,380,093.91/153,559.24
  6. Step 6: Final answer
    x = 119,383.11

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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.