Home / 135,024.75-186,334.16-75,408.75

Finding the Fourth Proportional to 135,024.75, 186,334.16 and 75,408.75

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Solution

The fourth proportional to 135,024.75, 186,334.16 and 75,408.75 is: 104,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,024.75 : 186,334.16 = 75,408.75 : x
  2. Step 2: Convert to fraction form
    135,024.75/186,334.16 = 75,408.75/x
  3. Step 3: Cross multiply
    135,024.75x = 186,334.16 × 75,408.75
  4. Step 4: Simplify right side
    135,024.75x = 14,051,225,710.86
  5. Step 5: Solve for x
    x = 14,051,225,710.86/135,024.75
  6. Step 6: Final answer
    x = 104,064.08

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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.