Home / 133,242.16-199,804.68-70,897.84

Finding the Fourth Proportional to 133,242.16, 199,804.68 and 70,897.84

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Solution

The fourth proportional to 133,242.16, 199,804.68 and 70,897.84 is: 106,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,242.16 : 199,804.68 = 70,897.84 : x
  2. Step 2: Convert to fraction form
    133,242.16/199,804.68 = 70,897.84/x
  3. Step 3: Cross multiply
    133,242.16x = 199,804.68 × 70,897.84
  4. Step 4: Simplify right side
    133,242.16x = 14,165,720,233.89
  5. Step 5: Solve for x
    x = 14,165,720,233.89/133,242.16
  6. Step 6: Final answer
    x = 106,315.60

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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.