Home / 160,631.29-221,639.25-96,972.58

Finding the Fourth Proportional to 160,631.29, 221,639.25 and 96,972.58

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Solution

The fourth proportional to 160,631.29, 221,639.25 and 96,972.58 is: 133,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,631.29 : 221,639.25 = 96,972.58 : x
  2. Step 2: Convert to fraction form
    160,631.29/221,639.25 = 96,972.58/x
  3. Step 3: Cross multiply
    160,631.29x = 221,639.25 × 96,972.58
  4. Step 4: Simplify right side
    160,631.29x = 21,492,929,901.77
  5. Step 5: Solve for x
    x = 21,492,929,901.77/160,631.29
  6. Step 6: Final answer
    x = 133,802.88

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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.