Home / 158,037.41-218,099.73-86,416.67

Finding the Fourth Proportional to 158,037.41, 218,099.73 and 86,416.67

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Solution

The fourth proportional to 158,037.41, 218,099.73 and 86,416.67 is: 119,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,037.41 : 218,099.73 = 86,416.67 : x
  2. Step 2: Convert to fraction form
    158,037.41/218,099.73 = 86,416.67/x
  3. Step 3: Cross multiply
    158,037.41x = 218,099.73 × 86,416.67
  4. Step 4: Simplify right side
    158,037.41x = 18,847,452,394.50
  5. Step 5: Solve for x
    x = 18,847,452,394.50/158,037.41
  6. Step 6: Final answer
    x = 119,259.44

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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.