Home / 117,022.16-161,490.36-63,307.22

Finding the Fourth Proportional to 117,022.16, 161,490.36 and 63,307.22

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Solution

The fourth proportional to 117,022.16, 161,490.36 and 63,307.22 is: 87,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,022.16 : 161,490.36 = 63,307.22 : x
  2. Step 2: Convert to fraction form
    117,022.16/161,490.36 = 63,307.22/x
  3. Step 3: Cross multiply
    117,022.16x = 161,490.36 × 63,307.22
  4. Step 4: Simplify right side
    117,022.16x = 10,223,505,748.40
  5. Step 5: Solve for x
    x = 10,223,505,748.40/117,022.16
  6. Step 6: Final answer
    x = 87,363.84

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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.