Home / 152,767.89-229,122.14-76,846.19

Finding the Fourth Proportional to 152,767.89, 229,122.14 and 76,846.19

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Solution

The fourth proportional to 152,767.89, 229,122.14 and 76,846.19 is: 115,254.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,767.89 : 229,122.14 = 76,846.19 : x
  2. Step 2: Convert to fraction form
    152,767.89/229,122.14 = 76,846.19/x
  3. Step 3: Cross multiply
    152,767.89x = 229,122.14 × 76,846.19
  4. Step 4: Simplify right side
    152,767.89x = 17,607,161,973.81
  5. Step 5: Solve for x
    x = 17,607,161,973.81/152,767.89
  6. Step 6: Final answer
    x = 115,254.34

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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.