Home / 136,928.72-205,352.28-58,041.68

Finding the Fourth Proportional to 136,928.72, 205,352.28 and 58,041.68

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Solution

The fourth proportional to 136,928.72, 205,352.28 and 58,041.68 is: 87,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,928.72 : 205,352.28 = 58,041.68 : x
  2. Step 2: Convert to fraction form
    136,928.72/205,352.28 = 58,041.68/x
  3. Step 3: Cross multiply
    136,928.72x = 205,352.28 × 58,041.68
  4. Step 4: Simplify right side
    136,928.72x = 11,918,991,323.03
  5. Step 5: Solve for x
    x = 11,918,991,323.03/136,928.72
  6. Step 6: Final answer
    x = 87,045.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.