Home / 352,030.15-528,045.23-212,062.15

Finding the Fourth Proportional to 352,030.15, 528,045.23 and 212,062.15

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Solution

The fourth proportional to 352,030.15, 528,045.23 and 212,062.15 is: 318,093.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,030.15 : 528,045.23 = 212,062.15 : x
  2. Step 2: Convert to fraction form
    352,030.15/528,045.23 = 212,062.15/x
  3. Step 3: Cross multiply
    352,030.15x = 528,045.23 × 212,062.15
  4. Step 4: Simplify right side
    352,030.15x = 111,978,406,771.05
  5. Step 5: Solve for x
    x = 111,978,406,771.05/352,030.15
  6. Step 6: Final answer
    x = 318,093.23

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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.