Home / 154,412.12-213,098.46-89,882.84

Finding the Fourth Proportional to 154,412.12, 213,098.46 and 89,882.84

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Solution

The fourth proportional to 154,412.12, 213,098.46 and 89,882.84 is: 124,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,412.12 : 213,098.46 = 89,882.84 : x
  2. Step 2: Convert to fraction form
    154,412.12/213,098.46 = 89,882.84/x
  3. Step 3: Cross multiply
    154,412.12x = 213,098.46 × 89,882.84
  4. Step 4: Simplify right side
    154,412.12x = 19,153,894,784.43
  5. Step 5: Solve for x
    x = 19,153,894,784.43/154,412.12
  6. Step 6: Final answer
    x = 124,043.99

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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.