Home / 160,292.88-221,206.32-99,887.94

Finding the Fourth Proportional to 160,292.88, 221,206.32 and 99,887.94

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Solution

The fourth proportional to 160,292.88, 221,206.32 and 99,887.94 is: 137,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,292.88 : 221,206.32 = 99,887.94 : x
  2. Step 2: Convert to fraction form
    160,292.88/221,206.32 = 99,887.94/x
  3. Step 3: Cross multiply
    160,292.88x = 221,206.32 × 99,887.94
  4. Step 4: Simplify right side
    160,292.88x = 22,095,843,619.78
  5. Step 5: Solve for x
    x = 22,095,843,619.78/160,292.88
  6. Step 6: Final answer
    x = 137,846.69

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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.