Home / 156,630.40-234,945.60-94,422.40

Finding the Fourth Proportional to 156,630.40, 234,945.60 and 94,422.40

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Solution

The fourth proportional to 156,630.40, 234,945.60 and 94,422.40 is: 141,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,630.40 : 234,945.60 = 94,422.40 : x
  2. Step 2: Convert to fraction form
    156,630.40/234,945.60 = 94,422.40/x
  3. Step 3: Cross multiply
    156,630.40x = 234,945.60 × 94,422.40
  4. Step 4: Simplify right side
    156,630.40x = 22,184,127,421.44
  5. Step 5: Solve for x
    x = 22,184,127,421.44/156,630.40
  6. Step 6: Final answer
    x = 141,633.60

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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.