Home / 346,545.20-520,352.40-189,081.20

Finding the Fourth Proportional to 346,545.20, 520,352.40 and 189,081.20

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Solution

The fourth proportional to 346,545.20, 520,352.40 and 189,081.20 is: 283,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,545.20 : 520,352.40 = 189,081.20 : x
  2. Step 2: Convert to fraction form
    346,545.20/520,352.40 = 189,081.20/x
  3. Step 3: Cross multiply
    346,545.20x = 520,352.40 × 189,081.20
  4. Step 4: Simplify right side
    346,545.20x = 98,388,856,214.88
  5. Step 5: Solve for x
    x = 98,388,856,214.88/346,545.20
  6. Step 6: Final answer
    x = 283,913.49

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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.