Home / 272,031.87-375,008.32-190,105.76

Finding the Fourth Proportional to 272,031.87, 375,008.32 and 190,105.76

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Solution

The fourth proportional to 272,031.87, 375,008.32 and 190,105.76 is: 262,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,031.87 : 375,008.32 = 190,105.76 : x
  2. Step 2: Convert to fraction form
    272,031.87/375,008.32 = 190,105.76/x
  3. Step 3: Cross multiply
    272,031.87x = 375,008.32 × 190,105.76
  4. Step 4: Simplify right side
    272,031.87x = 71,291,241,564.36
  5. Step 5: Solve for x
    x = 71,291,241,564.36/272,031.87
  6. Step 6: Final answer
    x = 262,069.45

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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.