Home / 341,929.68-471,928.13-225,438.60

Finding the Fourth Proportional to 341,929.68, 471,928.13 and 225,438.60

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Solution

The fourth proportional to 341,929.68, 471,928.13 and 225,438.60 is: 311,148.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,929.68 : 471,928.13 = 225,438.60 : x
  2. Step 2: Convert to fraction form
    341,929.68/471,928.13 = 225,438.60/x
  3. Step 3: Cross multiply
    341,929.68x = 471,928.13 × 225,438.60
  4. Step 4: Simplify right side
    341,929.68x = 106,390,815,800.63
  5. Step 5: Solve for x
    x = 106,390,815,800.63/341,929.68
  6. Step 6: Final answer
    x = 311,148.23

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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.