Home / 172,173.03-258,111.62-59,838.65

Finding the Fourth Proportional to 172,173.03, 258,111.62 and 59,838.65

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Solution

The fourth proportional to 172,173.03, 258,111.62 and 59,838.65 is: 89,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,173.03 : 258,111.62 = 59,838.65 : x
  2. Step 2: Convert to fraction form
    172,173.03/258,111.62 = 59,838.65/x
  3. Step 3: Cross multiply
    172,173.03x = 258,111.62 × 59,838.65
  4. Step 4: Simplify right side
    172,173.03x = 15,445,050,829.27
  5. Step 5: Solve for x
    x = 15,445,050,829.27/172,173.03
  6. Step 6: Final answer
    x = 89,706.57

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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.