Home / 114,782.18-172,186.36-30,545.82

Finding the Fourth Proportional to 114,782.18, 172,186.36 and 30,545.82

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Solution

The fourth proportional to 114,782.18, 172,186.36 and 30,545.82 is: 45,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,782.18 : 172,186.36 = 30,545.82 : x
  2. Step 2: Convert to fraction form
    114,782.18/172,186.36 = 30,545.82/x
  3. Step 3: Cross multiply
    114,782.18x = 172,186.36 × 30,545.82
  4. Step 4: Simplify right side
    114,782.18x = 5,259,573,482.65
  5. Step 5: Solve for x
    x = 5,259,573,482.65/114,782.18
  6. Step 6: Final answer
    x = 45,822.21

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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.