Home / 226,319.79-312,191.40-141,289.23

Finding the Fourth Proportional to 226,319.79, 312,191.40 and 141,289.23

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Solution

The fourth proportional to 226,319.79, 312,191.40 and 141,289.23 is: 194,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,319.79 : 312,191.40 = 141,289.23 : x
  2. Step 2: Convert to fraction form
    226,319.79/312,191.40 = 141,289.23/x
  3. Step 3: Cross multiply
    226,319.79x = 312,191.40 × 141,289.23
  4. Step 4: Simplify right side
    226,319.79x = 44,109,282,518.62
  5. Step 5: Solve for x
    x = 44,109,282,518.62/226,319.79
  6. Step 6: Final answer
    x = 194,898.04

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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.