Home / 154,582.92-213,313.30-86,588.39

Finding the Fourth Proportional to 154,582.92, 213,313.30 and 86,588.39

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Solution

The fourth proportional to 154,582.92, 213,313.30 and 86,588.39 is: 119,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,582.92 : 213,313.30 = 86,588.39 : x
  2. Step 2: Convert to fraction form
    154,582.92/213,313.30 = 86,588.39/x
  3. Step 3: Cross multiply
    154,582.92x = 213,313.30 × 86,588.39
  4. Step 4: Simplify right side
    154,582.92x = 18,470,455,529.40
  5. Step 5: Solve for x
    x = 18,470,455,529.40/154,582.92
  6. Step 6: Final answer
    x = 119,485.75

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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.