Home / 158,475.76-218,698.26-86,854.24

Finding the Fourth Proportional to 158,475.76, 218,698.26 and 86,854.24

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Solution

The fourth proportional to 158,475.76, 218,698.26 and 86,854.24 is: 119,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,475.76 : 218,698.26 = 86,854.24 : x
  2. Step 2: Convert to fraction form
    158,475.76/218,698.26 = 86,854.24/x
  3. Step 3: Cross multiply
    158,475.76x = 218,698.26 × 86,854.24
  4. Step 4: Simplify right side
    158,475.76x = 18,994,871,161.62
  5. Step 5: Solve for x
    x = 18,994,871,161.62/158,475.76
  6. Step 6: Final answer
    x = 119,859.79

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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.