Home / 113,837.00-157,106.21-66,087.50

Finding the Fourth Proportional to 113,837.00, 157,106.21 and 66,087.50

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Solution

The fourth proportional to 113,837.00, 157,106.21 and 66,087.50 is: 91,207.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,837.00 : 157,106.21 = 66,087.50 : x
  2. Step 2: Convert to fraction form
    113,837.00/157,106.21 = 66,087.50/x
  3. Step 3: Cross multiply
    113,837.00x = 157,106.21 × 66,087.50
  4. Step 4: Simplify right side
    113,837.00x = 10,382,755,537.41
  5. Step 5: Solve for x
    x = 10,382,755,537.41/113,837.00
  6. Step 6: Final answer
    x = 91,207.22

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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.