Home / 160,966.84-222,133.86-89,347.72

Finding the Fourth Proportional to 160,966.84, 222,133.86 and 89,347.72

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Solution

The fourth proportional to 160,966.84, 222,133.86 and 89,347.72 is: 123,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,966.84 : 222,133.86 = 89,347.72 : x
  2. Step 2: Convert to fraction form
    160,966.84/222,133.86 = 89,347.72/x
  3. Step 3: Cross multiply
    160,966.84x = 222,133.86 × 89,347.72
  4. Step 4: Simplify right side
    160,966.84x = 19,847,153,925.80
  5. Step 5: Solve for x
    x = 19,847,153,925.80/160,966.84
  6. Step 6: Final answer
    x = 123,299.64

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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.