Home / 160,800.12-221,868.40-92,802.68

Finding the Fourth Proportional to 160,800.12, 221,868.40 and 92,802.68

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Solution

The fourth proportional to 160,800.12, 221,868.40 and 92,802.68 is: 128,047.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,800.12 : 221,868.40 = 92,802.68 : x
  2. Step 2: Convert to fraction form
    160,800.12/221,868.40 = 92,802.68/x
  3. Step 3: Cross multiply
    160,800.12x = 221,868.40 × 92,802.68
  4. Step 4: Simplify right side
    160,800.12x = 20,589,982,127.31
  5. Step 5: Solve for x
    x = 20,589,982,127.31/160,800.12
  6. Step 6: Final answer
    x = 128,047.06

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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.