Home / 328,726.19-493,156.28-148,725.16

Finding the Fourth Proportional to 328,726.19, 493,156.28 and 148,725.16

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Solution

The fourth proportional to 328,726.19, 493,156.28 and 148,725.16 is: 223,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,726.19 : 493,156.28 = 148,725.16 : x
  2. Step 2: Convert to fraction form
    328,726.19/493,156.28 = 148,725.16/x
  3. Step 3: Cross multiply
    328,726.19x = 493,156.28 × 148,725.16
  4. Step 4: Simplify right side
    328,726.19x = 73,344,745,786.93
  5. Step 5: Solve for x
    x = 73,344,745,786.93/328,726.19
  6. Step 6: Final answer
    x = 223,118.05

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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.