Home / 156,633.60-234,950.40-72,393.60

Finding the Fourth Proportional to 156,633.60, 234,950.40 and 72,393.60

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Solution

The fourth proportional to 156,633.60, 234,950.40 and 72,393.60 is: 108,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,633.60 : 234,950.40 = 72,393.60 : x
  2. Step 2: Convert to fraction form
    156,633.60/234,950.40 = 72,393.60/x
  3. Step 3: Cross multiply
    156,633.60x = 234,950.40 × 72,393.60
  4. Step 4: Simplify right side
    156,633.60x = 17,008,905,277.44
  5. Step 5: Solve for x
    x = 17,008,905,277.44/156,633.60
  6. Step 6: Final answer
    x = 108,590.40

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1.5x scale

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.