Home / 114,087.06-157,251.51-85,743.54

Finding the Fourth Proportional to 114,087.06, 157,251.51 and 85,743.54

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Solution

The fourth proportional to 114,087.06, 157,251.51 and 85,743.54 is: 118,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,087.06 : 157,251.51 = 85,743.54 : x
  2. Step 2: Convert to fraction form
    114,087.06/157,251.51 = 85,743.54/x
  3. Step 3: Cross multiply
    114,087.06x = 157,251.51 × 85,743.54
  4. Step 4: Simplify right side
    114,087.06x = 13,483,301,137.75
  5. Step 5: Solve for x
    x = 13,483,301,137.75/114,087.06
  6. Step 6: Final answer
    x = 118,184.32

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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.