Home / 213,272.60-318,526.22-193,242.11

Finding the Fourth Proportional to 213,272.60, 318,526.22 and 193,242.11

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Solution

The fourth proportional to 213,272.60, 318,526.22 and 193,242.11 is: 288,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,272.60 : 318,526.22 = 193,242.11 : x
  2. Step 2: Convert to fraction form
    213,272.60/318,526.22 = 193,242.11/x
  3. Step 3: Cross multiply
    213,272.60x = 318,526.22 × 193,242.11
  4. Step 4: Simplify right side
    213,272.60x = 61,552,678,203.41
  5. Step 5: Solve for x
    x = 61,552,678,203.41/213,272.60
  6. Step 6: Final answer
    x = 288,610.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.