Home / 154,891.04-213,736.52-86,898.83

Finding the Fourth Proportional to 154,891.04, 213,736.52 and 86,898.83

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Solution

The fourth proportional to 154,891.04, 213,736.52 and 86,898.83 is: 119,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,891.04 : 213,736.52 = 86,898.83 : x
  2. Step 2: Convert to fraction form
    154,891.04/213,736.52 = 86,898.83/x
  3. Step 3: Cross multiply
    154,891.04x = 213,736.52 × 86,898.83
  4. Step 4: Simplify right side
    154,891.04x = 18,573,452,664.84
  5. Step 5: Solve for x
    x = 18,573,452,664.84/154,891.04
  6. Step 6: Final answer
    x = 119,913.03

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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.