Home / 243,319.77-333,342.52-234,222.80

Finding the Fourth Proportional to 243,319.77, 333,342.52 and 234,222.80

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Solution

The fourth proportional to 243,319.77, 333,342.52 and 234,222.80 is: 320,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,319.77 : 333,342.52 = 234,222.80 : x
  2. Step 2: Convert to fraction form
    243,319.77/333,342.52 = 234,222.80/x
  3. Step 3: Cross multiply
    243,319.77x = 333,342.52 × 234,222.80
  4. Step 4: Simplify right side
    243,319.77x = 78,076,416,141.19
  5. Step 5: Solve for x
    x = 78,076,416,141.19/243,319.77
  6. Step 6: Final answer
    x = 320,879.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.