Home / 156,954.80-235,086.60-139,444.40

Finding the Fourth Proportional to 156,954.80, 235,086.60 and 139,444.40

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Solution

The fourth proportional to 156,954.80, 235,086.60 and 139,444.40 is: 208,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,954.80 : 235,086.60 = 139,444.40 : x
  2. Step 2: Convert to fraction form
    156,954.80/235,086.60 = 139,444.40/x
  3. Step 3: Cross multiply
    156,954.80x = 235,086.60 × 139,444.40
  4. Step 4: Simplify right side
    156,954.80x = 32,781,509,885.04
  5. Step 5: Solve for x
    x = 32,781,509,885.04/156,954.80
  6. Step 6: Final answer
    x = 208,859.56

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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.