Home / 284,903.10-393,176.55-157,579.60

Finding the Fourth Proportional to 284,903.10, 393,176.55 and 157,579.60

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Solution

The fourth proportional to 284,903.10, 393,176.55 and 157,579.60 is: 217,465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,903.10 : 393,176.55 = 157,579.60 : x
  2. Step 2: Convert to fraction form
    284,903.10/393,176.55 = 157,579.60/x
  3. Step 3: Cross multiply
    284,903.10x = 393,176.55 × 157,579.60
  4. Step 4: Simplify right side
    284,903.10x = 61,956,603,478.38
  5. Step 5: Solve for x
    x = 61,956,603,478.38/284,903.10
  6. Step 6: Final answer
    x = 217,465.53

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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.