Home / 212,108.39-292,803.93-126,095.22

Finding the Fourth Proportional to 212,108.39, 292,803.93 and 126,095.22

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Solution

The fourth proportional to 212,108.39, 292,803.93 and 126,095.22 is: 174,067.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,108.39 : 292,803.93 = 126,095.22 : x
  2. Step 2: Convert to fraction form
    212,108.39/292,803.93 = 126,095.22/x
  3. Step 3: Cross multiply
    212,108.39x = 292,803.93 × 126,095.22
  4. Step 4: Simplify right side
    212,108.39x = 36,921,174,506.19
  5. Step 5: Solve for x
    x = 36,921,174,506.19/212,108.39
  6. Step 6: Final answer
    x = 174,067.49

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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.