Home / 117,250.48-161,813.60-66,245.52

Finding the Fourth Proportional to 117,250.48, 161,813.60 and 66,245.52

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Solution

The fourth proportional to 117,250.48, 161,813.60 and 66,245.52 is: 91,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,250.48 : 161,813.60 = 66,245.52 : x
  2. Step 2: Convert to fraction form
    117,250.48/161,813.60 = 66,245.52/x
  3. Step 3: Cross multiply
    117,250.48x = 161,813.60 × 66,245.52
  4. Step 4: Simplify right side
    117,250.48x = 10,719,426,075.07
  5. Step 5: Solve for x
    x = 10,719,426,075.07/117,250.48
  6. Step 6: Final answer
    x = 91,423.30

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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.