Home / 158,183.51-218,292.93-86,563.52

Finding the Fourth Proportional to 158,183.51, 218,292.93 and 86,563.52

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Solution

The fourth proportional to 158,183.51, 218,292.93 and 86,563.52 is: 119,457.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,183.51 : 218,292.93 = 86,563.52 : x
  2. Step 2: Convert to fraction form
    158,183.51/218,292.93 = 86,563.52/x
  3. Step 3: Cross multiply
    158,183.51x = 218,292.93 × 86,563.52
  4. Step 4: Simplify right side
    158,183.51x = 18,896,204,411.91
  5. Step 5: Solve for x
    x = 18,896,204,411.91/158,183.51
  6. Step 6: Final answer
    x = 119,457.49

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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.