Home / 160,170.56-221,036.24-87,573.68

Finding the Fourth Proportional to 160,170.56, 221,036.24 and 87,573.68

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Solution

The fourth proportional to 160,170.56, 221,036.24 and 87,573.68 is: 120,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,170.56 : 221,036.24 = 87,573.68 : x
  2. Step 2: Convert to fraction form
    160,170.56/221,036.24 = 87,573.68/x
  3. Step 3: Cross multiply
    160,170.56x = 221,036.24 × 87,573.68
  4. Step 4: Simplify right side
    160,170.56x = 19,356,956,950.16
  5. Step 5: Solve for x
    x = 19,356,956,950.16/160,170.56
  6. Step 6: Final answer
    x = 120,852.15

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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.