Home / 330,629.04-495,667.08-153,263.40

Finding the Fourth Proportional to 330,629.04, 495,667.08 and 153,263.40

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Solution

The fourth proportional to 330,629.04, 495,667.08 and 153,263.40 is: 229,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,629.04 : 495,667.08 = 153,263.40 : x
  2. Step 2: Convert to fraction form
    330,629.04/495,667.08 = 153,263.40/x
  3. Step 3: Cross multiply
    330,629.04x = 495,667.08 × 153,263.40
  4. Step 4: Simplify right side
    330,629.04x = 75,967,621,948.87
  5. Step 5: Solve for x
    x = 75,967,621,948.87/330,629.04
  6. Step 6: Final answer
    x = 229,766.94

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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.