Home / 153,803.52-212,253.94-89,267.92

Finding the Fourth Proportional to 153,803.52, 212,253.94 and 89,267.92

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Solution

The fourth proportional to 153,803.52, 212,253.94 and 89,267.92 is: 123,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,803.52 : 212,253.94 = 89,267.92 : x
  2. Step 2: Convert to fraction form
    153,803.52/212,253.94 = 89,267.92/x
  3. Step 3: Cross multiply
    153,803.52x = 212,253.94 × 89,267.92
  4. Step 4: Simplify right side
    153,803.52x = 18,947,467,735.60
  5. Step 5: Solve for x
    x = 18,947,467,735.60/153,803.52
  6. Step 6: Final answer
    x = 123,192.68

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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.