Home / 219,098.42-302,354.94-123,605.12

Finding the Fourth Proportional to 219,098.42, 302,354.94 and 123,605.12

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Solution

The fourth proportional to 219,098.42, 302,354.94 and 123,605.12 is: 170,574.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,098.42 : 302,354.94 = 123,605.12 : x
  2. Step 2: Convert to fraction form
    219,098.42/302,354.94 = 123,605.12/x
  3. Step 3: Cross multiply
    219,098.42x = 302,354.94 × 123,605.12
  4. Step 4: Simplify right side
    219,098.42x = 37,372,618,641.29
  5. Step 5: Solve for x
    x = 37,372,618,641.29/219,098.42
  6. Step 6: Final answer
    x = 170,574.57

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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.