Home / 112,118.17-155,390.96-110,018.65

Finding the Fourth Proportional to 112,118.17, 155,390.96 and 110,018.65

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Solution

The fourth proportional to 112,118.17, 155,390.96 and 110,018.65 is: 152,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,118.17 : 155,390.96 = 110,018.65 : x
  2. Step 2: Convert to fraction form
    112,118.17/155,390.96 = 110,018.65/x
  3. Step 3: Cross multiply
    112,118.17x = 155,390.96 × 110,018.65
  4. Step 4: Simplify right side
    112,118.17x = 17,095,902,702.83
  5. Step 5: Solve for x
    x = 17,095,902,702.83/112,118.17
  6. Step 6: Final answer
    x = 152,481.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.