Home / 113,771.25-157,004.39-63,470.25

Finding the Fourth Proportional to 113,771.25, 157,004.39 and 63,470.25

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Solution

The fourth proportional to 113,771.25, 157,004.39 and 63,470.25 is: 87,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,771.25 : 157,004.39 = 63,470.25 : x
  2. Step 2: Convert to fraction form
    113,771.25/157,004.39 = 63,470.25/x
  3. Step 3: Cross multiply
    113,771.25x = 157,004.39 × 63,470.25
  4. Step 4: Simplify right side
    113,771.25x = 9,965,108,043.07
  5. Step 5: Solve for x
    x = 9,965,108,043.07/113,771.25
  6. Step 6: Final answer
    x = 87,588.98

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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.