Home / 127,151.29-190,593.99-42,882.34

Finding the Fourth Proportional to 127,151.29, 190,593.99 and 42,882.34

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Solution

The fourth proportional to 127,151.29, 190,593.99 and 42,882.34 is: 64,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,151.29 : 190,593.99 = 42,882.34 : x
  2. Step 2: Convert to fraction form
    127,151.29/190,593.99 = 42,882.34/x
  3. Step 3: Cross multiply
    127,151.29x = 190,593.99 × 42,882.34
  4. Step 4: Simplify right side
    127,151.29x = 8,173,116,281.14
  5. Step 5: Solve for x
    x = 8,173,116,281.14/127,151.29
  6. Step 6: Final answer
    x = 64,278.67

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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.