Home / 346,975.95-520,394.22-122,345.54

Finding the Fourth Proportional to 346,975.95, 520,394.22 and 122,345.54

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Solution

The fourth proportional to 346,975.95, 520,394.22 and 122,345.54 is: 183,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,975.95 : 520,394.22 = 122,345.54 : x
  2. Step 2: Convert to fraction form
    346,975.95/520,394.22 = 122,345.54/x
  3. Step 3: Cross multiply
    346,975.95x = 520,394.22 × 122,345.54
  4. Step 4: Simplify right side
    346,975.95x = 63,667,911,208.29
  5. Step 5: Solve for x
    x = 63,667,911,208.29/346,975.95
  6. Step 6: Final answer
    x = 183,493.73

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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.