Home / 255,669.61-352,836.08-142,493.17

Finding the Fourth Proportional to 255,669.61, 352,836.08 and 142,493.17

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Solution

The fourth proportional to 255,669.61, 352,836.08 and 142,493.17 is: 196,647.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,669.61 : 352,836.08 = 142,493.17 : x
  2. Step 2: Convert to fraction form
    255,669.61/352,836.08 = 142,493.17/x
  3. Step 3: Cross multiply
    255,669.61x = 352,836.08 × 142,493.17
  4. Step 4: Simplify right side
    255,669.61x = 50,276,731,529.57
  5. Step 5: Solve for x
    x = 50,276,731,529.57/255,669.61
  6. Step 6: Final answer
    x = 196,647.27

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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.