Home / 127,255.60-190,956.30-48,426.40

Finding the Fourth Proportional to 127,255.60, 190,956.30 and 48,426.40

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Solution

The fourth proportional to 127,255.60, 190,956.30 and 48,426.40 is: 72,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,255.60 : 190,956.30 = 48,426.40 : x
  2. Step 2: Convert to fraction form
    127,255.60/190,956.30 = 48,426.40/x
  3. Step 3: Cross multiply
    127,255.60x = 190,956.30 × 48,426.40
  4. Step 4: Simplify right side
    127,255.60x = 9,247,326,166.32
  5. Step 5: Solve for x
    x = 9,247,326,166.32/127,255.60
  6. Step 6: Final answer
    x = 72,667.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.