Home / 117,023.16-161,491.74-63,308.22

Finding the Fourth Proportional to 117,023.16, 161,491.74 and 63,308.22

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Solution

The fourth proportional to 117,023.16, 161,491.74 and 63,308.22 is: 87,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,023.16 : 161,491.74 = 63,308.22 : x
  2. Step 2: Convert to fraction form
    117,023.16/161,491.74 = 63,308.22/x
  3. Step 3: Cross multiply
    117,023.16x = 161,491.74 × 63,308.22
  4. Step 4: Simplify right side
    117,023.16x = 10,223,754,604.10
  5. Step 5: Solve for x
    x = 10,223,754,604.10/117,023.16
  6. Step 6: Final answer
    x = 87,365.22

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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.