Home / 160,372.65-221,321.21-88,752.70

Finding the Fourth Proportional to 160,372.65, 221,321.21 and 88,752.70

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Solution

The fourth proportional to 160,372.65, 221,321.21 and 88,752.70 is: 122,482.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,372.65 : 221,321.21 = 88,752.70 : x
  2. Step 2: Convert to fraction form
    160,372.65/221,321.21 = 88,752.70/x
  3. Step 3: Cross multiply
    160,372.65x = 221,321.21 × 88,752.70
  4. Step 4: Simplify right side
    160,372.65x = 19,642,854,954.77
  5. Step 5: Solve for x
    x = 19,642,854,954.77/160,372.65
  6. Step 6: Final answer
    x = 122,482.57

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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.