Home / 316,059.27-474,089.40-129,070.77

Finding the Fourth Proportional to 316,059.27, 474,089.40 and 129,070.77

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Solution

The fourth proportional to 316,059.27, 474,089.40 and 129,070.77 is: 193,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,059.27 : 474,089.40 = 129,070.77 : x
  2. Step 2: Convert to fraction form
    316,059.27/474,089.40 = 129,070.77/x
  3. Step 3: Cross multiply
    316,059.27x = 474,089.40 × 129,070.77
  4. Step 4: Simplify right side
    316,059.27x = 61,191,083,906.84
  5. Step 5: Solve for x
    x = 61,191,083,906.84/316,059.27
  6. Step 6: Final answer
    x = 193,606.36

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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.