Home / 147,925.52-204,137.32-80,857.52

Finding the Fourth Proportional to 147,925.52, 204,137.32 and 80,857.52

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Solution

The fourth proportional to 147,925.52, 204,137.32 and 80,857.52 is: 111,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,925.52 : 204,137.32 = 80,857.52 : x
  2. Step 2: Convert to fraction form
    147,925.52/204,137.32 = 80,857.52/x
  3. Step 3: Cross multiply
    147,925.52x = 204,137.32 × 80,857.52
  4. Step 4: Simplify right side
    147,925.52x = 16,506,037,434.65
  5. Step 5: Solve for x
    x = 16,506,037,434.65/147,925.52
  6. Step 6: Final answer
    x = 111,583.43

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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.