Home / 160,258.98-240,322.86-71,451.76

Finding the Fourth Proportional to 160,258.98, 240,322.86 and 71,451.76

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Solution

The fourth proportional to 160,258.98, 240,322.86 and 71,451.76 is: 107,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,258.98 : 240,322.86 = 71,451.76 : x
  2. Step 2: Convert to fraction form
    160,258.98/240,322.86 = 71,451.76/x
  3. Step 3: Cross multiply
    160,258.98x = 240,322.86 × 71,451.76
  4. Step 4: Simplify right side
    160,258.98x = 17,171,491,315.23
  5. Step 5: Solve for x
    x = 17,171,491,315.23/160,258.98
  6. Step 6: Final answer
    x = 107,148.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.