Home / 236,999.20-326,770.32-223,261.60

Finding the Fourth Proportional to 236,999.20, 326,770.32 and 223,261.60

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Solution

The fourth proportional to 236,999.20, 326,770.32 and 223,261.60 is: 307,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,999.20 : 326,770.32 = 223,261.60 : x
  2. Step 2: Convert to fraction form
    236,999.20/326,770.32 = 223,261.60/x
  3. Step 3: Cross multiply
    236,999.20x = 326,770.32 × 223,261.60
  4. Step 4: Simplify right side
    236,999.20x = 72,955,264,475.71
  5. Step 5: Solve for x
    x = 72,955,264,475.71/236,999.20
  6. Step 6: Final answer
    x = 307,829.16

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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.