Home / 199,781.10-275,706.28-114,898.22

Finding the Fourth Proportional to 199,781.10, 275,706.28 and 114,898.22

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Solution

The fourth proportional to 199,781.10, 275,706.28 and 114,898.22 is: 158,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,781.10 : 275,706.28 = 114,898.22 : x
  2. Step 2: Convert to fraction form
    199,781.10/275,706.28 = 114,898.22/x
  3. Step 3: Cross multiply
    199,781.10x = 275,706.28 × 114,898.22
  4. Step 4: Simplify right side
    199,781.10x = 31,678,160,814.82
  5. Step 5: Solve for x
    x = 31,678,160,814.82/199,781.10
  6. Step 6: Final answer
    x = 158,564.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.