Home / 156,985.60-235,473.15-68,239.12

Finding the Fourth Proportional to 156,985.60, 235,473.15 and 68,239.12

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Solution

The fourth proportional to 156,985.60, 235,473.15 and 68,239.12 is: 102,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.60 : 235,473.15 = 68,239.12 : x
  2. Step 2: Convert to fraction form
    156,985.60/235,473.15 = 68,239.12/x
  3. Step 3: Cross multiply
    156,985.60x = 235,473.15 × 68,239.12
  4. Step 4: Simplify right side
    156,985.60x = 16,068,480,539.63
  5. Step 5: Solve for x
    x = 16,068,480,539.63/156,985.60
  6. Step 6: Final answer
    x = 102,356.40

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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.