Home / 158,816.05-219,166.58-87,200.71

Finding the Fourth Proportional to 158,816.05, 219,166.58 and 87,200.71

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Solution

The fourth proportional to 158,816.05, 219,166.58 and 87,200.71 is: 120,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,816.05 : 219,166.58 = 87,200.71 : x
  2. Step 2: Convert to fraction form
    158,816.05/219,166.58 = 87,200.71/x
  3. Step 3: Cross multiply
    158,816.05x = 219,166.58 × 87,200.71
  4. Step 4: Simplify right side
    158,816.05x = 19,111,481,384.27
  5. Step 5: Solve for x
    x = 19,111,481,384.27/158,816.05
  6. Step 6: Final answer
    x = 120,337.22

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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.