Home / 219,037.50-302,268.66-123,574.92

Finding the Fourth Proportional to 219,037.50, 302,268.66 and 123,574.92

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Solution

The fourth proportional to 219,037.50, 302,268.66 and 123,574.92 is: 170,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,037.50 : 302,268.66 = 123,574.92 : x
  2. Step 2: Convert to fraction form
    219,037.50/302,268.66 = 123,574.92/x
  3. Step 3: Cross multiply
    219,037.50x = 302,268.66 × 123,574.92
  4. Step 4: Simplify right side
    219,037.50x = 37,352,825,478.01
  5. Step 5: Solve for x
    x = 37,352,825,478.01/219,037.50
  6. Step 6: Final answer
    x = 170,531.65

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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.