Home / 226,543.77-312,638.40-124,577.01

Finding the Fourth Proportional to 226,543.77, 312,638.40 and 124,577.01

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Solution

The fourth proportional to 226,543.77, 312,638.40 and 124,577.01 is: 171,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,543.77 : 312,638.40 = 124,577.01 : x
  2. Step 2: Convert to fraction form
    226,543.77/312,638.40 = 124,577.01/x
  3. Step 3: Cross multiply
    226,543.77x = 312,638.40 × 124,577.01
  4. Step 4: Simplify right side
    226,543.77x = 38,947,557,083.18
  5. Step 5: Solve for x
    x = 38,947,557,083.18/226,543.77
  6. Step 6: Final answer
    x = 171,920.67

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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.