Home / 316,419.47-474,666.02-111,191.05

Finding the Fourth Proportional to 316,419.47, 474,666.02 and 111,191.05

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Solution

The fourth proportional to 316,419.47, 474,666.02 and 111,191.05 is: 166,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,419.47 : 474,666.02 = 111,191.05 : x
  2. Step 2: Convert to fraction form
    316,419.47/474,666.02 = 111,191.05/x
  3. Step 3: Cross multiply
    316,419.47x = 474,666.02 × 111,191.05
  4. Step 4: Simplify right side
    316,419.47x = 52,778,613,163.12
  5. Step 5: Solve for x
    x = 52,778,613,163.12/316,419.47
  6. Step 6: Final answer
    x = 166,799.51

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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.