Home / 154,573.60-213,323.28-86,606.56

Finding the Fourth Proportional to 154,573.60, 213,323.28 and 86,606.56

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Solution

The fourth proportional to 154,573.60, 213,323.28 and 86,606.56 is: 119,523.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,573.60 : 213,323.28 = 86,606.56 : x
  2. Step 2: Convert to fraction form
    154,573.60/213,323.28 = 86,606.56/x
  3. Step 3: Cross multiply
    154,573.60x = 213,323.28 × 86,606.56
  4. Step 4: Simplify right side
    154,573.60x = 18,475,195,448.72
  5. Step 5: Solve for x
    x = 18,475,195,448.72/154,573.60
  6. Step 6: Final answer
    x = 119,523.61

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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.