Home / 346,345.20-519,712.20-146,631.60

Finding the Fourth Proportional to 346,345.20, 519,712.20 and 146,631.60

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Solution

The fourth proportional to 346,345.20, 519,712.20 and 146,631.60 is: 220,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,345.20 : 519,712.20 = 146,631.60 : x
  2. Step 2: Convert to fraction form
    346,345.20/519,712.20 = 146,631.60/x
  3. Step 3: Cross multiply
    346,345.20x = 519,712.20 × 146,631.60
  4. Step 4: Simplify right side
    346,345.20x = 76,206,231,425.52
  5. Step 5: Solve for x
    x = 76,206,231,425.52/346,345.20
  6. Step 6: Final answer
    x = 220,029.70

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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.