Home / 153,020.58-229,512.57-40,709.01

Finding the Fourth Proportional to 153,020.58, 229,512.57 and 40,709.01

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Solution

The fourth proportional to 153,020.58, 229,512.57 and 40,709.01 is: 61,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,020.58 : 229,512.57 = 40,709.01 : x
  2. Step 2: Convert to fraction form
    153,020.58/229,512.57 = 40,709.01/x
  3. Step 3: Cross multiply
    153,020.58x = 229,512.57 × 40,709.01
  4. Step 4: Simplify right side
    153,020.58x = 9,343,229,507.26
  5. Step 5: Solve for x
    x = 9,343,229,507.26/153,020.58
  6. Step 6: Final answer
    x = 61,058.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.