Home / 359,233.79-495,557.10-223,216.05

Finding the Fourth Proportional to 359,233.79, 495,557.10 and 223,216.05

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Solution

The fourth proportional to 359,233.79, 495,557.10 and 223,216.05 is: 307,922.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,233.79 : 495,557.10 = 223,216.05 : x
  2. Step 2: Convert to fraction form
    359,233.79/495,557.10 = 223,216.05/x
  3. Step 3: Cross multiply
    359,233.79x = 495,557.10 × 223,216.05
  4. Step 4: Simplify right side
    359,233.79x = 110,616,298,411.46
  5. Step 5: Solve for x
    x = 110,616,298,411.46/359,233.79
  6. Step 6: Final answer
    x = 307,922.87

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1.5x scale

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.