Home / 226,402.76-312,415.47-124,427.10

Finding the Fourth Proportional to 226,402.76, 312,415.47 and 124,427.10

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Solution

The fourth proportional to 226,402.76, 312,415.47 and 124,427.10 is: 171,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,402.76 : 312,415.47 = 124,427.10 : x
  2. Step 2: Convert to fraction form
    226,402.76/312,415.47 = 124,427.10/x
  3. Step 3: Cross multiply
    226,402.76x = 312,415.47 × 124,427.10
  4. Step 4: Simplify right side
    226,402.76x = 38,872,950,927.24
  5. Step 5: Solve for x
    x = 38,872,950,927.24/226,402.76
  6. Step 6: Final answer
    x = 171,698.22

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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.