Home / 225,557.08-310,558.46-191,498.20

Finding the Fourth Proportional to 225,557.08, 310,558.46 and 191,498.20

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Solution

The fourth proportional to 225,557.08, 310,558.46 and 191,498.20 is: 263,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,557.08 : 310,558.46 = 191,498.20 : x
  2. Step 2: Convert to fraction form
    225,557.08/310,558.46 = 191,498.20/x
  3. Step 3: Cross multiply
    225,557.08x = 310,558.46 × 191,498.20
  4. Step 4: Simplify right side
    225,557.08x = 59,471,386,084.77
  5. Step 5: Solve for x
    x = 59,471,386,084.77/225,557.08
  6. Step 6: Final answer
    x = 263,664.46

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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.