Home / 346,826.12-520,280.82-122,140.08

Finding the Fourth Proportional to 346,826.12, 520,280.82 and 122,140.08

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Solution

The fourth proportional to 346,826.12, 520,280.82 and 122,140.08 is: 183,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,826.12 : 520,280.82 = 122,140.08 : x
  2. Step 2: Convert to fraction form
    346,826.12/520,280.82 = 122,140.08/x
  3. Step 3: Cross multiply
    346,826.12x = 520,280.82 × 122,140.08
  4. Step 4: Simplify right side
    346,826.12x = 63,547,140,977.27
  5. Step 5: Solve for x
    x = 63,547,140,977.27/346,826.12
  6. Step 6: Final answer
    x = 183,224.79

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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.