Home / 330,402.08-495,360.73-105,633.16

Finding the Fourth Proportional to 330,402.08, 495,360.73 and 105,633.16

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Solution

The fourth proportional to 330,402.08, 495,360.73 and 105,633.16 is: 158,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,402.08 : 495,360.73 = 105,633.16 : x
  2. Step 2: Convert to fraction form
    330,402.08/495,360.73 = 105,633.16/x
  3. Step 3: Cross multiply
    330,402.08x = 495,360.73 × 105,633.16
  4. Step 4: Simplify right side
    330,402.08x = 52,326,518,143.45
  5. Step 5: Solve for x
    x = 52,326,518,143.45/330,402.08
  6. Step 6: Final answer
    x = 158,372.24

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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.