Home / 281,666.92-388,701.89-152,607.49

Finding the Fourth Proportional to 281,666.92, 388,701.89 and 152,607.49

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Solution

The fourth proportional to 281,666.92, 388,701.89 and 152,607.49 is: 210,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,666.92 : 388,701.89 = 152,607.49 : x
  2. Step 2: Convert to fraction form
    281,666.92/388,701.89 = 152,607.49/x
  3. Step 3: Cross multiply
    281,666.92x = 388,701.89 × 152,607.49
  4. Step 4: Simplify right side
    281,666.92x = 59,318,820,815.09
  5. Step 5: Solve for x
    x = 59,318,820,815.09/281,666.92
  6. Step 6: Final answer
    x = 210,599.17

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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.