Home / 238,639.60-329,323.95-140,527.12

Finding the Fourth Proportional to 238,639.60, 329,323.95 and 140,527.12

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Solution

The fourth proportional to 238,639.60, 329,323.95 and 140,527.12 is: 193,928.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,639.60 : 329,323.95 = 140,527.12 : x
  2. Step 2: Convert to fraction form
    238,639.60/329,323.95 = 140,527.12/x
  3. Step 3: Cross multiply
    238,639.60x = 329,323.95 × 140,527.12
  4. Step 4: Simplify right side
    238,639.60x = 46,278,946,240.52
  5. Step 5: Solve for x
    x = 46,278,946,240.52/238,639.60
  6. Step 6: Final answer
    x = 193,928.19

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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.