Home / 180,842.16-249,557.94-100,268.94

Finding the Fourth Proportional to 180,842.16, 249,557.94 and 100,268.94

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Solution

The fourth proportional to 180,842.16, 249,557.94 and 100,268.94 is: 138,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,842.16 : 249,557.94 = 100,268.94 : x
  2. Step 2: Convert to fraction form
    180,842.16/249,557.94 = 100,268.94/x
  3. Step 3: Cross multiply
    180,842.16x = 249,557.94 × 100,268.94
  4. Step 4: Simplify right side
    180,842.16x = 25,022,910,112.38
  5. Step 5: Solve for x
    x = 25,022,910,112.38/180,842.16
  6. Step 6: Final answer
    x = 138,368.79

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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.