Home / 330,117.14-455,565.32-186,874.04

Finding the Fourth Proportional to 330,117.14, 455,565.32 and 186,874.04

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Solution

The fourth proportional to 330,117.14, 455,565.32 and 186,874.04 is: 257,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,117.14 : 455,565.32 = 186,874.04 : x
  2. Step 2: Convert to fraction form
    330,117.14/455,565.32 = 186,874.04/x
  3. Step 3: Cross multiply
    330,117.14x = 455,565.32 × 186,874.04
  4. Step 4: Simplify right side
    330,117.14x = 85,133,328,620.10
  5. Step 5: Solve for x
    x = 85,133,328,620.10/330,117.14
  6. Step 6: Final answer
    x = 257,888.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.