Home / 121,270.20-181,905.30-37,030.20

Finding the Fourth Proportional to 121,270.20, 181,905.30 and 37,030.20

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Solution

The fourth proportional to 121,270.20, 181,905.30 and 37,030.20 is: 55,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,270.20 : 181,905.30 = 37,030.20 : x
  2. Step 2: Convert to fraction form
    121,270.20/181,905.30 = 37,030.20/x
  3. Step 3: Cross multiply
    121,270.20x = 181,905.30 × 37,030.20
  4. Step 4: Simplify right side
    121,270.20x = 6,735,989,640.06
  5. Step 5: Solve for x
    x = 6,735,989,640.06/121,270.20
  6. Step 6: Final answer
    x = 55,545.30

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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.