Home / 191,429.38-287,208.01-84,798.85

Finding the Fourth Proportional to 191,429.38, 287,208.01 and 84,798.85

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Solution

The fourth proportional to 191,429.38, 287,208.01 and 84,798.85 is: 127,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,429.38 : 287,208.01 = 84,798.85 : x
  2. Step 2: Convert to fraction form
    191,429.38/287,208.01 = 84,798.85/x
  3. Step 3: Cross multiply
    191,429.38x = 287,208.01 × 84,798.85
  4. Step 4: Simplify right side
    191,429.38x = 24,354,908,958.79
  5. Step 5: Solve for x
    x = 24,354,908,958.79/191,429.38
  6. Step 6: Final answer
    x = 127,226.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.