Home / 284,282.02-392,306.55-156,958.51

Finding the Fourth Proportional to 284,282.02, 392,306.55 and 156,958.51

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Solution

The fourth proportional to 284,282.02, 392,306.55 and 156,958.51 is: 216,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,282.02 : 392,306.55 = 156,958.51 : x
  2. Step 2: Convert to fraction form
    284,282.02/392,306.55 = 156,958.51/x
  3. Step 3: Cross multiply
    284,282.02x = 392,306.55 × 156,958.51
  4. Step 4: Simplify right side
    284,282.02x = 61,575,851,551.24
  5. Step 5: Solve for x
    x = 61,575,851,551.24/284,282.02
  6. Step 6: Final answer
    x = 216,601.29

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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.