Home / 284,290.02-392,317.56-156,966.54

Finding the Fourth Proportional to 284,290.02, 392,317.56 and 156,966.54

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Solution

The fourth proportional to 284,290.02, 392,317.56 and 156,966.54 is: 216,612.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,290.02 : 392,317.56 = 156,966.54 : x
  2. Step 2: Convert to fraction form
    284,290.02/392,317.56 = 156,966.54/x
  3. Step 3: Cross multiply
    284,290.02x = 392,317.56 × 156,966.54
  4. Step 4: Simplify right side
    284,290.02x = 61,580,729,974.44
  5. Step 5: Solve for x
    x = 61,580,729,974.44/284,290.02
  6. Step 6: Final answer
    x = 216,612.35

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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.