Home / 160,624.13-221,670.14-89,002.58

Finding the Fourth Proportional to 160,624.13, 221,670.14 and 89,002.58

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Solution

The fourth proportional to 160,624.13, 221,670.14 and 89,002.58 is: 122,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,624.13 : 221,670.14 = 89,002.58 : x
  2. Step 2: Convert to fraction form
    160,624.13/221,670.14 = 89,002.58/x
  3. Step 3: Cross multiply
    160,624.13x = 221,670.14 × 89,002.58
  4. Step 4: Simplify right side
    160,624.13x = 19,729,212,815.60
  5. Step 5: Solve for x
    x = 19,729,212,815.60/160,624.13
  6. Step 6: Final answer
    x = 122,828.45

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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.