Home / 209,655.48-289,325.91-114,162.54

Finding the Fourth Proportional to 209,655.48, 289,325.91 and 114,162.54

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Solution

The fourth proportional to 209,655.48, 289,325.91 and 114,162.54 is: 157,545.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,655.48 : 289,325.91 = 114,162.54 : x
  2. Step 2: Convert to fraction form
    209,655.48/289,325.91 = 114,162.54/x
  3. Step 3: Cross multiply
    209,655.48x = 289,325.91 × 114,162.54
  4. Step 4: Simplify right side
    209,655.48x = 33,030,180,773.41
  5. Step 5: Solve for x
    x = 33,030,180,773.41/209,655.48
  6. Step 6: Final answer
    x = 157,545.04

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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.