Home / 152,707.88-229,172.64-107,431.52

Finding the Fourth Proportional to 152,707.88, 229,172.64 and 107,431.52

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Solution

The fourth proportional to 152,707.88, 229,172.64 and 107,431.52 is: 161,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,707.88 : 229,172.64 = 107,431.52 : x
  2. Step 2: Convert to fraction form
    152,707.88/229,172.64 = 107,431.52/x
  3. Step 3: Cross multiply
    152,707.88x = 229,172.64 × 107,431.52
  4. Step 4: Simplify right side
    152,707.88x = 24,620,364,113.18
  5. Step 5: Solve for x
    x = 24,620,364,113.18/152,707.88
  6. Step 6: Final answer
    x = 161,225.23

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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.