Home / 183,639.07-253,421.92-103,066.59

Finding the Fourth Proportional to 183,639.07, 253,421.92 and 103,066.59

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Solution

The fourth proportional to 183,639.07, 253,421.92 and 103,066.59 is: 142,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,639.07 : 253,421.92 = 103,066.59 : x
  2. Step 2: Convert to fraction form
    183,639.07/253,421.92 = 103,066.59/x
  3. Step 3: Cross multiply
    183,639.07x = 253,421.92 × 103,066.59
  4. Step 4: Simplify right side
    183,639.07x = 26,119,333,647.54
  5. Step 5: Solve for x
    x = 26,119,333,647.54/183,639.07
  6. Step 6: Final answer
    x = 142,231.90

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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.