Home / 508,823.03-763,255.29-129,753.59

Finding the Fourth Proportional to 508,823.03, 763,255.29 and 129,753.59

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Solution

The fourth proportional to 508,823.03, 763,255.29 and 129,753.59 is: 194,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,823.03 : 763,255.29 = 129,753.59 : x
  2. Step 2: Convert to fraction form
    508,823.03/763,255.29 = 129,753.59/x
  3. Step 3: Cross multiply
    508,823.03x = 763,255.29 × 129,753.59
  4. Step 4: Simplify right side
    508,823.03x = 99,035,110,147.71
  5. Step 5: Solve for x
    x = 99,035,110,147.71/508,823.03
  6. Step 6: Final answer
    x = 194,635.67

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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.