Home / 212,536.68-293,262.03-127,655.16

Finding the Fourth Proportional to 212,536.68, 293,262.03 and 127,655.16

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Solution

The fourth proportional to 212,536.68, 293,262.03 and 127,655.16 is: 176,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,536.68 : 293,262.03 = 127,655.16 : x
  2. Step 2: Convert to fraction form
    212,536.68/293,262.03 = 127,655.16/x
  3. Step 3: Cross multiply
    212,536.68x = 293,262.03 × 127,655.16
  4. Step 4: Simplify right side
    212,536.68x = 37,436,411,361.57
  5. Step 5: Solve for x
    x = 37,436,411,361.57/212,536.68
  6. Step 6: Final answer
    x = 176,140.94

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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.