Home / 263,431.10-363,437.07-167,915.90

Finding the Fourth Proportional to 263,431.10, 363,437.07 and 167,915.90

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Solution

The fourth proportional to 263,431.10, 363,437.07 and 167,915.90 is: 231,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,431.10 : 363,437.07 = 167,915.90 : x
  2. Step 2: Convert to fraction form
    263,431.10/363,437.07 = 167,915.90/x
  3. Step 3: Cross multiply
    263,431.10x = 363,437.07 × 167,915.90
  4. Step 4: Simplify right side
    263,431.10x = 61,026,862,702.41
  5. Step 5: Solve for x
    x = 61,026,862,702.41/263,431.10
  6. Step 6: Final answer
    x = 231,661.57

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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.