Home / 219,433.71-328,969.13-101,005.23

Finding the Fourth Proportional to 219,433.71, 328,969.13 and 101,005.23

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Solution

The fourth proportional to 219,433.71, 328,969.13 and 101,005.23 is: 151,424.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,433.71 : 328,969.13 = 101,005.23 : x
  2. Step 2: Convert to fraction form
    219,433.71/328,969.13 = 101,005.23/x
  3. Step 3: Cross multiply
    219,433.71x = 328,969.13 × 101,005.23
  4. Step 4: Simplify right side
    219,433.71x = 33,227,602,133.52
  5. Step 5: Solve for x
    x = 33,227,602,133.52/219,433.71
  6. Step 6: Final answer
    x = 151,424.33

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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.