Home / 284,157.57-392,136.64-156,832.25

Finding the Fourth Proportional to 284,157.57, 392,136.64 and 156,832.25

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Solution

The fourth proportional to 284,157.57, 392,136.64 and 156,832.25 is: 216,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,157.57 : 392,136.64 = 156,832.25 : x
  2. Step 2: Convert to fraction form
    284,157.57/392,136.64 = 156,832.25/x
  3. Step 3: Cross multiply
    284,157.57x = 392,136.64 × 156,832.25
  4. Step 4: Simplify right side
    284,157.57x = 61,499,671,558.64
  5. Step 5: Solve for x
    x = 61,499,671,558.64/284,157.57
  6. Step 6: Final answer
    x = 216,428.06

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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.