Home / 226,090.49-312,008.76-124,125.39

Finding the Fourth Proportional to 226,090.49, 312,008.76 and 124,125.39

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Solution

The fourth proportional to 226,090.49, 312,008.76 and 124,125.39 is: 171,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,090.49 : 312,008.76 = 124,125.39 : x
  2. Step 2: Convert to fraction form
    226,090.49/312,008.76 = 124,125.39/x
  3. Step 3: Cross multiply
    226,090.49x = 312,008.76 × 124,125.39
  4. Step 4: Simplify right side
    226,090.49x = 38,728,209,018.42
  5. Step 5: Solve for x
    x = 38,728,209,018.42/226,090.49
  6. Step 6: Final answer
    x = 171,295.17

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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.