Home / 147,461.68-203,511.72-87,052.24

Finding the Fourth Proportional to 147,461.68, 203,511.72 and 87,052.24

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Solution

The fourth proportional to 147,461.68, 203,511.72 and 87,052.24 is: 120,140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,461.68 : 203,511.72 = 87,052.24 : x
  2. Step 2: Convert to fraction form
    147,461.68/203,511.72 = 87,052.24/x
  3. Step 3: Cross multiply
    147,461.68x = 203,511.72 × 87,052.24
  4. Step 4: Simplify right side
    147,461.68x = 17,716,151,092.25
  5. Step 5: Solve for x
    x = 17,716,151,092.25/147,461.68
  6. Step 6: Final answer
    x = 120,140.71

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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.