Home / 121,069.04-181,754.76-81,800.24

Finding the Fourth Proportional to 121,069.04, 181,754.76 and 81,800.24

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Solution

The fourth proportional to 121,069.04, 181,754.76 and 81,800.24 is: 122,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,069.04 : 181,754.76 = 81,800.24 : x
  2. Step 2: Convert to fraction form
    121,069.04/181,754.76 = 81,800.24/x
  3. Step 3: Cross multiply
    121,069.04x = 181,754.76 × 81,800.24
  4. Step 4: Simplify right side
    121,069.04x = 14,867,582,989.14
  5. Step 5: Solve for x
    x = 14,867,582,989.14/121,069.04
  6. Step 6: Final answer
    x = 122,802.52

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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.