Home / 158,218.08-218,338.60-86,596.24

Finding the Fourth Proportional to 158,218.08, 218,338.60 and 86,596.24

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Solution

The fourth proportional to 158,218.08, 218,338.60 and 86,596.24 is: 119,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,218.08 : 218,338.60 = 86,596.24 : x
  2. Step 2: Convert to fraction form
    158,218.08/218,338.60 = 86,596.24/x
  3. Step 3: Cross multiply
    158,218.08x = 218,338.60 × 86,596.24
  4. Step 4: Simplify right side
    158,218.08x = 18,907,301,806.86
  5. Step 5: Solve for x
    x = 18,907,301,806.86/158,218.08
  6. Step 6: Final answer
    x = 119,501.52

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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.