Home / 315,892.23-473,788.22-102,665.19

Finding the Fourth Proportional to 315,892.23, 473,788.22 and 102,665.19

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Solution

The fourth proportional to 315,892.23, 473,788.22 and 102,665.19 is: 153,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,892.23 : 473,788.22 = 102,665.19 : x
  2. Step 2: Convert to fraction form
    315,892.23/473,788.22 = 102,665.19/x
  3. Step 3: Cross multiply
    315,892.23x = 473,788.22 × 102,665.19
  4. Step 4: Simplify right side
    315,892.23x = 48,641,557,626.06
  5. Step 5: Solve for x
    x = 48,641,557,626.06/315,892.23
  6. Step 6: Final answer
    x = 153,981.49

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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.