Home / 193,316.45-290,186.77-153,590.73

Finding the Fourth Proportional to 193,316.45, 290,186.77 and 153,590.73

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Solution

The fourth proportional to 193,316.45, 290,186.77 and 153,590.73 is: 230,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,316.45 : 290,186.77 = 153,590.73 : x
  2. Step 2: Convert to fraction form
    193,316.45/290,186.77 = 153,590.73/x
  3. Step 3: Cross multiply
    193,316.45x = 290,186.77 × 153,590.73
  4. Step 4: Simplify right side
    193,316.45x = 44,569,997,640.79
  5. Step 5: Solve for x
    x = 44,569,997,640.79/193,316.45
  6. Step 6: Final answer
    x = 230,554.61

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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.