Home / 346,730.40-520,095.60-169,351.20

Finding the Fourth Proportional to 346,730.40, 520,095.60 and 169,351.20

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Solution

The fourth proportional to 346,730.40, 520,095.60 and 169,351.20 is: 254,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,730.40 : 520,095.60 = 169,351.20 : x
  2. Step 2: Convert to fraction form
    346,730.40/520,095.60 = 169,351.20/x
  3. Step 3: Cross multiply
    346,730.40x = 520,095.60 × 169,351.20
  4. Step 4: Simplify right side
    346,730.40x = 88,078,813,974.72
  5. Step 5: Solve for x
    x = 88,078,813,974.72/346,730.40
  6. Step 6: Final answer
    x = 254,026.80

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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.