Home / 476,101.05-714,155.62-121,115.37

Finding the Fourth Proportional to 476,101.05, 714,155.62 and 121,115.37

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Solution

The fourth proportional to 476,101.05, 714,155.62 and 121,115.37 is: 181,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,101.05 : 714,155.62 = 121,115.37 : x
  2. Step 2: Convert to fraction form
    476,101.05/714,155.62 = 121,115.37/x
  3. Step 3: Cross multiply
    476,101.05x = 714,155.62 × 121,115.37
  4. Step 4: Simplify right side
    476,101.05x = 86,495,221,548.30
  5. Step 5: Solve for x
    x = 86,495,221,548.30/476,101.05
  6. Step 6: Final answer
    x = 181,674.08

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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.