Home / 158,840.16-219,203.24-86,246.13

Finding the Fourth Proportional to 158,840.16, 219,203.24 and 86,246.13

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Solution

The fourth proportional to 158,840.16, 219,203.24 and 86,246.13 is: 119,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,840.16 : 219,203.24 = 86,246.13 : x
  2. Step 2: Convert to fraction form
    158,840.16/219,203.24 = 86,246.13/x
  3. Step 3: Cross multiply
    158,840.16x = 219,203.24 × 86,246.13
  4. Step 4: Simplify right side
    158,840.16x = 18,905,431,133.46
  5. Step 5: Solve for x
    x = 18,905,431,133.46/158,840.16
  6. Step 6: Final answer
    x = 119,021.73

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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.