Home / 385,250.30-577,937.01-118,948.22

Finding the Fourth Proportional to 385,250.30, 577,937.01 and 118,948.22

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Solution

The fourth proportional to 385,250.30, 577,937.01 and 118,948.22 is: 178,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,250.30 : 577,937.01 = 118,948.22 : x
  2. Step 2: Convert to fraction form
    385,250.30/577,937.01 = 118,948.22/x
  3. Step 3: Cross multiply
    385,250.30x = 577,937.01 × 118,948.22
  4. Step 4: Simplify right side
    385,250.30x = 68,744,578,611.62
  5. Step 5: Solve for x
    x = 68,744,578,611.62/385,250.30
  6. Step 6: Final answer
    x = 178,441.34

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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.