Home / 346,339.38-519,538.68-121,680.30

Finding the Fourth Proportional to 346,339.38, 519,538.68 and 121,680.30

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Solution

The fourth proportional to 346,339.38, 519,538.68 and 121,680.30 is: 182,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,339.38 : 519,538.68 = 121,680.30 : x
  2. Step 2: Convert to fraction form
    346,339.38/519,538.68 = 121,680.30/x
  3. Step 3: Cross multiply
    346,339.38x = 519,538.68 × 121,680.30
  4. Step 4: Simplify right side
    346,339.38x = 63,217,622,444.00
  5. Step 5: Solve for x
    x = 63,217,622,444.00/346,339.38
  6. Step 6: Final answer
    x = 182,530.85

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1.5x scale

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.