Home / 487,088.11-730,704.84-150,100.57

Finding the Fourth Proportional to 487,088.11, 730,704.84 and 150,100.57

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Solution

The fourth proportional to 487,088.11, 730,704.84 and 150,100.57 is: 225,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,088.11 : 730,704.84 = 150,100.57 : x
  2. Step 2: Convert to fraction form
    487,088.11/730,704.84 = 150,100.57/x
  3. Step 3: Cross multiply
    487,088.11x = 730,704.84 × 150,100.57
  4. Step 4: Simplify right side
    487,088.11x = 109,679,212,985.76
  5. Step 5: Solve for x
    x = 109,679,212,985.76/487,088.11
  6. Step 6: Final answer
    x = 225,173.25

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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.