Home / 105,459.12-158,186.85-26,571.60

Finding the Fourth Proportional to 105,459.12, 158,186.85 and 26,571.60

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Solution

The fourth proportional to 105,459.12, 158,186.85 and 26,571.60 is: 39,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,459.12 : 158,186.85 = 26,571.60 : x
  2. Step 2: Convert to fraction form
    105,459.12/158,186.85 = 26,571.60/x
  3. Step 3: Cross multiply
    105,459.12x = 158,186.85 × 26,571.60
  4. Step 4: Simplify right side
    105,459.12x = 4,203,277,703.46
  5. Step 5: Solve for x
    x = 4,203,277,703.46/105,459.12
  6. Step 6: Final answer
    x = 39,856.94

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1.5x scale

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.