Home / 359,002.04-495,507.24-223,138.60

Finding the Fourth Proportional to 359,002.04, 495,507.24 and 223,138.60

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Solution

The fourth proportional to 359,002.04, 495,507.24 and 223,138.60 is: 307,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,002.04 : 495,507.24 = 223,138.60 : x
  2. Step 2: Convert to fraction form
    359,002.04/495,507.24 = 223,138.60/x
  3. Step 3: Cross multiply
    359,002.04x = 495,507.24 × 223,138.60
  4. Step 4: Simplify right side
    359,002.04x = 110,566,791,823.46
  5. Step 5: Solve for x
    x = 110,566,791,823.46/359,002.04
  6. Step 6: Final answer
    x = 307,983.74

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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.