Home / 113,828.51-157,099.19-63,530.75

Finding the Fourth Proportional to 113,828.51, 157,099.19 and 63,530.75

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Solution

The fourth proportional to 113,828.51, 157,099.19 and 63,530.75 is: 87,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,828.51 : 157,099.19 = 63,530.75 : x
  2. Step 2: Convert to fraction form
    113,828.51/157,099.19 = 63,530.75/x
  3. Step 3: Cross multiply
    113,828.51x = 157,099.19 × 63,530.75
  4. Step 4: Simplify right side
    113,828.51x = 9,980,629,365.09
  5. Step 5: Solve for x
    x = 9,980,629,365.09/113,828.51
  6. Step 6: Final answer
    x = 87,681.28

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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.