Home / 287,562.23-396,837.45-166,775.13

Finding the Fourth Proportional to 287,562.23, 396,837.45 and 166,775.13

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Solution

The fourth proportional to 287,562.23, 396,837.45 and 166,775.13 is: 230,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,562.23 : 396,837.45 = 166,775.13 : x
  2. Step 2: Convert to fraction form
    287,562.23/396,837.45 = 166,775.13/x
  3. Step 3: Cross multiply
    287,562.23x = 396,837.45 × 166,775.13
  4. Step 4: Simplify right side
    287,562.23x = 66,182,617,312.62
  5. Step 5: Solve for x
    x = 66,182,617,312.62/287,562.23
  6. Step 6: Final answer
    x = 230,150.60

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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.