Home / 315,619.09-473,495.20-102,370.44

Finding the Fourth Proportional to 315,619.09, 473,495.20 and 102,370.44

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Solution

The fourth proportional to 315,619.09, 473,495.20 and 102,370.44 is: 153,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,619.09 : 473,495.20 = 102,370.44 : x
  2. Step 2: Convert to fraction form
    315,619.09/473,495.20 = 102,370.44/x
  3. Step 3: Cross multiply
    315,619.09x = 473,495.20 × 102,370.44
  4. Step 4: Simplify right side
    315,619.09x = 48,471,911,095.92
  5. Step 5: Solve for x
    x = 48,471,911,095.92/315,619.09
  6. Step 6: Final answer
    x = 153,577.25

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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.