Home / 283,361.02-391,038.17-156,036.30

Finding the Fourth Proportional to 283,361.02, 391,038.17 and 156,036.30

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Solution

The fourth proportional to 283,361.02, 391,038.17 and 156,036.30 is: 215,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,361.02 : 391,038.17 = 156,036.30 : x
  2. Step 2: Convert to fraction form
    283,361.02/391,038.17 = 156,036.30/x
  3. Step 3: Cross multiply
    283,361.02x = 391,038.17 × 156,036.30
  4. Step 4: Simplify right side
    283,361.02x = 61,016,149,205.57
  5. Step 5: Solve for x
    x = 61,016,149,205.57/283,361.02
  6. Step 6: Final answer
    x = 215,330.07

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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.