Home / 236,439.80-326,021.88-193,285.16

Finding the Fourth Proportional to 236,439.80, 326,021.88 and 193,285.16

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Solution

The fourth proportional to 236,439.80, 326,021.88 and 193,285.16 is: 266,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,439.80 : 326,021.88 = 193,285.16 : x
  2. Step 2: Convert to fraction form
    236,439.80/326,021.88 = 193,285.16/x
  3. Step 3: Cross multiply
    236,439.80x = 326,021.88 × 193,285.16
  4. Step 4: Simplify right side
    236,439.80x = 63,015,191,239.30
  5. Step 5: Solve for x
    x = 63,015,191,239.30/236,439.80
  6. Step 6: Final answer
    x = 266,516.85

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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.