Home / 153,551.24-211,901.13-89,033.12

Finding the Fourth Proportional to 153,551.24, 211,901.13 and 89,033.12

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Solution

The fourth proportional to 153,551.24, 211,901.13 and 89,033.12 is: 122,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,551.24 : 211,901.13 = 89,033.12 : x
  2. Step 2: Convert to fraction form
    153,551.24/211,901.13 = 89,033.12/x
  3. Step 3: Cross multiply
    153,551.24x = 211,901.13 × 89,033.12
  4. Step 4: Simplify right side
    153,551.24x = 18,866,217,675.92
  5. Step 5: Solve for x
    x = 18,866,217,675.92/153,551.24
  6. Step 6: Final answer
    x = 122,865.95

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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.