Home / 160,674.20-221,730.86-89,055.40

Finding the Fourth Proportional to 160,674.20, 221,730.86 and 89,055.40

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Solution

The fourth proportional to 160,674.20, 221,730.86 and 89,055.40 is: 122,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,674.20 : 221,730.86 = 89,055.40 : x
  2. Step 2: Convert to fraction form
    160,674.20/221,730.86 = 89,055.40/x
  3. Step 3: Cross multiply
    160,674.20x = 221,730.86 × 89,055.40
  4. Step 4: Simplify right side
    160,674.20x = 19,746,330,429.64
  5. Step 5: Solve for x
    x = 19,746,330,429.64/160,674.20
  6. Step 6: Final answer
    x = 122,896.71

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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.