Home / 112,092.93-168,176.32-45,515.18

Finding the Fourth Proportional to 112,092.93, 168,176.32 and 45,515.18

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Solution

The fourth proportional to 112,092.93, 168,176.32 and 45,515.18 is: 68,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,092.93 : 168,176.32 = 45,515.18 : x
  2. Step 2: Convert to fraction form
    112,092.93/168,176.32 = 45,515.18/x
  3. Step 3: Cross multiply
    112,092.93x = 168,176.32 × 45,515.18
  4. Step 4: Simplify right side
    112,092.93x = 7,654,575,783.19
  5. Step 5: Solve for x
    x = 7,654,575,783.19/112,092.93
  6. Step 6: Final answer
    x = 68,287.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.