Home / 191,228.28-285,619.08-173,189.58

Finding the Fourth Proportional to 191,228.28, 285,619.08 and 173,189.58

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Solution

The fourth proportional to 191,228.28, 285,619.08 and 173,189.58 is: 258,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,228.28 : 285,619.08 = 173,189.58 : x
  2. Step 2: Convert to fraction form
    191,228.28/285,619.08 = 173,189.58/x
  3. Step 3: Cross multiply
    191,228.28x = 285,619.08 × 173,189.58
  4. Step 4: Simplify right side
    191,228.28x = 49,466,248,505.19
  5. Step 5: Solve for x
    x = 49,466,248,505.19/191,228.28
  6. Step 6: Final answer
    x = 258,676.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.