Home / 233,109.20-349,663.80-228,443.60

Finding the Fourth Proportional to 233,109.20, 349,663.80 and 228,443.60

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Solution

The fourth proportional to 233,109.20, 349,663.80 and 228,443.60 is: 342,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,109.20 : 349,663.80 = 228,443.60 : x
  2. Step 2: Convert to fraction form
    233,109.20/349,663.80 = 228,443.60/x
  3. Step 3: Cross multiply
    233,109.20x = 349,663.80 × 228,443.60
  4. Step 4: Simplify right side
    233,109.20x = 79,878,457,261.68
  5. Step 5: Solve for x
    x = 79,878,457,261.68/233,109.20
  6. Step 6: Final answer
    x = 342,665.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.