Home / 372,575.61-514,125.03-211,430.66

Finding the Fourth Proportional to 372,575.61, 514,125.03 and 211,430.66

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Solution

The fourth proportional to 372,575.61, 514,125.03 and 211,430.66 is: 291,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,575.61 : 514,125.03 = 211,430.66 : x
  2. Step 2: Convert to fraction form
    372,575.61/514,125.03 = 211,430.66/x
  3. Step 3: Cross multiply
    372,575.61x = 514,125.03 × 211,430.66
  4. Step 4: Simplify right side
    372,575.61x = 108,701,791,844.80
  5. Step 5: Solve for x
    x = 108,701,791,844.80/372,575.61
  6. Step 6: Final answer
    x = 291,757.67

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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.