Home / 210,045.20-314,737.56-131,041.04

Finding the Fourth Proportional to 210,045.20, 314,737.56 and 131,041.04

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Solution

The fourth proportional to 210,045.20, 314,737.56 and 131,041.04 is: 196,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,045.20 : 314,737.56 = 131,041.04 : x
  2. Step 2: Convert to fraction form
    210,045.20/314,737.56 = 131,041.04/x
  3. Step 3: Cross multiply
    210,045.20x = 314,737.56 × 131,041.04
  4. Step 4: Simplify right side
    210,045.20x = 41,243,537,189.46
  5. Step 5: Solve for x
    x = 41,243,537,189.46/210,045.20
  6. Step 6: Final answer
    x = 196,355.53

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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.