Home / 284,036.69-391,962.04-154,977.64

Finding the Fourth Proportional to 284,036.69, 391,962.04 and 154,977.64

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Solution

The fourth proportional to 284,036.69, 391,962.04 and 154,977.64 is: 213,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,036.69 : 391,962.04 = 154,977.64 : x
  2. Step 2: Convert to fraction form
    284,036.69/391,962.04 = 154,977.64/x
  3. Step 3: Cross multiply
    284,036.69x = 391,962.04 × 154,977.64
  4. Step 4: Simplify right side
    284,036.69x = 60,745,350,561.44
  5. Step 5: Solve for x
    x = 60,745,350,561.44/284,036.69
  6. Step 6: Final answer
    x = 213,864.45

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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.