Home / 242,945.80-335,421.30-152,425.96

Finding the Fourth Proportional to 242,945.80, 335,421.30 and 152,425.96

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Solution

The fourth proportional to 242,945.80, 335,421.30 and 152,425.96 is: 210,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,945.80 : 335,421.30 = 152,425.96 : x
  2. Step 2: Convert to fraction form
    242,945.80/335,421.30 = 152,425.96/x
  3. Step 3: Cross multiply
    242,945.80x = 335,421.30 × 152,425.96
  4. Step 4: Simplify right side
    242,945.80x = 51,126,913,656.95
  5. Step 5: Solve for x
    x = 51,126,913,656.95/242,945.80
  6. Step 6: Final answer
    x = 210,445.76

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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.