Home / 121,147.18-181,632.07-57,083.50

Finding the Fourth Proportional to 121,147.18, 181,632.07 and 57,083.50

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Solution

The fourth proportional to 121,147.18, 181,632.07 and 57,083.50 is: 85,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,147.18 : 181,632.07 = 57,083.50 : x
  2. Step 2: Convert to fraction form
    121,147.18/181,632.07 = 57,083.50/x
  3. Step 3: Cross multiply
    121,147.18x = 181,632.07 × 57,083.50
  4. Step 4: Simplify right side
    121,147.18x = 10,368,194,267.85
  5. Step 5: Solve for x
    x = 10,368,194,267.85/121,147.18
  6. Step 6: Final answer
    x = 85,583.46

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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.