Home / 117,126.06-161,634.03-63,411.09

Finding the Fourth Proportional to 117,126.06, 161,634.03 and 63,411.09

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Solution

The fourth proportional to 117,126.06, 161,634.03 and 63,411.09 is: 87,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,126.06 : 161,634.03 = 63,411.09 : x
  2. Step 2: Convert to fraction form
    117,126.06/161,634.03 = 63,411.09/x
  3. Step 3: Cross multiply
    117,126.06x = 161,634.03 × 63,411.09
  4. Step 4: Simplify right side
    117,126.06x = 10,249,390,023.39
  5. Step 5: Solve for x
    x = 10,249,390,023.39/117,126.06
  6. Step 6: Final answer
    x = 87,507.34

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1.5x scale

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.