Home / 160,195.77-221,074.83-87,602.94

Finding the Fourth Proportional to 160,195.77, 221,074.83 and 87,602.94

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Solution

The fourth proportional to 160,195.77, 221,074.83 and 87,602.94 is: 120,894.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,195.77 : 221,074.83 = 87,602.94 : x
  2. Step 2: Convert to fraction form
    160,195.77/221,074.83 = 87,602.94/x
  3. Step 3: Cross multiply
    160,195.77x = 221,074.83 × 87,602.94
  4. Step 4: Simplify right side
    160,195.77x = 19,366,805,068.00
  5. Step 5: Solve for x
    x = 19,366,805,068.00/160,195.77
  6. Step 6: Final answer
    x = 120,894.61

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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.