Home / 160,617.04-221,657.28-96,942.40

Finding the Fourth Proportional to 160,617.04, 221,657.28 and 96,942.40

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Solution

The fourth proportional to 160,617.04, 221,657.28 and 96,942.40 is: 133,783.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,617.04 : 221,657.28 = 96,942.40 : x
  2. Step 2: Convert to fraction form
    160,617.04/221,657.28 = 96,942.40/x
  3. Step 3: Cross multiply
    160,617.04x = 221,657.28 × 96,942.40
  4. Step 4: Simplify right side
    160,617.04x = 21,487,988,700.67
  5. Step 5: Solve for x
    x = 21,487,988,700.67/160,617.04
  6. Step 6: Final answer
    x = 133,783.99

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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.