Home / 160,240.35-221,127.91-88,618.83

Finding the Fourth Proportional to 160,240.35, 221,127.91 and 88,618.83

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Solution

The fourth proportional to 160,240.35, 221,127.91 and 88,618.83 is: 122,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,240.35 : 221,127.91 = 88,618.83 : x
  2. Step 2: Convert to fraction form
    160,240.35/221,127.91 = 88,618.83/x
  3. Step 3: Cross multiply
    160,240.35x = 221,127.91 × 88,618.83
  4. Step 4: Simplify right side
    160,240.35x = 19,596,097,853.40
  5. Step 5: Solve for x
    x = 19,596,097,853.40/160,240.35
  6. Step 6: Final answer
    x = 122,291.91

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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.