Home / 113,967.36-157,240.44-66,211.38

Finding the Fourth Proportional to 113,967.36, 157,240.44 and 66,211.38

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Solution

The fourth proportional to 113,967.36, 157,240.44 and 66,211.38 is: 91,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,967.36 : 157,240.44 = 66,211.38 : x
  2. Step 2: Convert to fraction form
    113,967.36/157,240.44 = 66,211.38/x
  3. Step 3: Cross multiply
    113,967.36x = 157,240.44 × 66,211.38
  4. Step 4: Simplify right side
    113,967.36x = 10,411,106,524.21
  5. Step 5: Solve for x
    x = 10,411,106,524.21/113,967.36
  6. Step 6: Final answer
    x = 91,351.65

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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.