Home / 219,298.66-328,959.94-69,528.12

Finding the Fourth Proportional to 219,298.66, 328,959.94 and 69,528.12

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Solution

The fourth proportional to 219,298.66, 328,959.94 and 69,528.12 is: 104,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,298.66 : 328,959.94 = 69,528.12 : x
  2. Step 2: Convert to fraction form
    219,298.66/328,959.94 = 69,528.12/x
  3. Step 3: Cross multiply
    219,298.66x = 328,959.94 × 69,528.12
  4. Step 4: Simplify right side
    219,298.66x = 22,871,966,183.51
  5. Step 5: Solve for x
    x = 22,871,966,183.51/219,298.66
  6. Step 6: Final answer
    x = 104,295.97

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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.