Home / 347,430.24-521,221.86-197,740.98

Finding the Fourth Proportional to 347,430.24, 521,221.86 and 197,740.98

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Solution

The fourth proportional to 347,430.24, 521,221.86 and 197,740.98 is: 296,655.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,430.24 : 521,221.86 = 197,740.98 : x
  2. Step 2: Convert to fraction form
    347,430.24/521,221.86 = 197,740.98/x
  3. Step 3: Cross multiply
    347,430.24x = 521,221.86 × 197,740.98
  4. Step 4: Simplify right side
    347,430.24x = 103,066,921,393.82
  5. Step 5: Solve for x
    x = 103,066,921,393.82/347,430.24
  6. Step 6: Final answer
    x = 296,655.01

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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.