Home / 235,800.06-325,408.24-128,373.18

Finding the Fourth Proportional to 235,800.06, 325,408.24 and 128,373.18

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Solution

The fourth proportional to 235,800.06, 325,408.24 and 128,373.18 is: 177,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,800.06 : 325,408.24 = 128,373.18 : x
  2. Step 2: Convert to fraction form
    235,800.06/325,408.24 = 128,373.18/x
  3. Step 3: Cross multiply
    235,800.06x = 325,408.24 × 128,373.18
  4. Step 4: Simplify right side
    235,800.06x = 41,773,690,567.00
  5. Step 5: Solve for x
    x = 41,773,690,567.00/235,800.06
  6. Step 6: Final answer
    x = 177,157.25

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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.