Home / 160,158.14-221,018.94-87,562.57

Finding the Fourth Proportional to 160,158.14, 221,018.94 and 87,562.57

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Solution

The fourth proportional to 160,158.14, 221,018.94 and 87,562.57 is: 120,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,158.14 : 221,018.94 = 87,562.57 : x
  2. Step 2: Convert to fraction form
    160,158.14/221,018.94 = 87,562.57/x
  3. Step 3: Cross multiply
    160,158.14x = 221,018.94 × 87,562.57
  4. Step 4: Simplify right side
    160,158.14x = 19,352,984,862.17
  5. Step 5: Solve for x
    x = 19,352,984,862.17/160,158.14
  6. Step 6: Final answer
    x = 120,836.72

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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.