Home / 316,988.24-437,488.64-196,168.53

Finding the Fourth Proportional to 316,988.24, 437,488.64 and 196,168.53

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Solution

The fourth proportional to 316,988.24, 437,488.64 and 196,168.53 is: 270,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,988.24 : 437,488.64 = 196,168.53 : x
  2. Step 2: Convert to fraction form
    316,988.24/437,488.64 = 196,168.53/x
  3. Step 3: Cross multiply
    316,988.24x = 437,488.64 × 196,168.53
  4. Step 4: Simplify right side
    316,988.24x = 85,821,505,899.32
  5. Step 5: Solve for x
    x = 85,821,505,899.32/316,988.24
  6. Step 6: Final answer
    x = 270,740.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.