Home / 151,362.56-208,880.39-87,737.27

Finding the Fourth Proportional to 151,362.56, 208,880.39 and 87,737.27

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Solution

The fourth proportional to 151,362.56, 208,880.39 and 87,737.27 is: 121,077.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,362.56 : 208,880.39 = 87,737.27 : x
  2. Step 2: Convert to fraction form
    151,362.56/208,880.39 = 87,737.27/x
  3. Step 3: Cross multiply
    151,362.56x = 208,880.39 × 87,737.27
  4. Step 4: Simplify right side
    151,362.56x = 18,326,594,350.08
  5. Step 5: Solve for x
    x = 18,326,594,350.08/151,362.56
  6. Step 6: Final answer
    x = 121,077.46

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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.