Home / 156,957.80-235,091.10-139,447.40

Finding the Fourth Proportional to 156,957.80, 235,091.10 and 139,447.40

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Solution

The fourth proportional to 156,957.80, 235,091.10 and 139,447.40 is: 208,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,957.80 : 235,091.10 = 139,447.40 : x
  2. Step 2: Convert to fraction form
    156,957.80/235,091.10 = 139,447.40/x
  3. Step 3: Cross multiply
    156,957.80x = 235,091.10 × 139,447.40
  4. Step 4: Simplify right side
    156,957.80x = 32,782,842,658.14
  5. Step 5: Solve for x
    x = 32,782,842,658.14/156,957.80
  6. Step 6: Final answer
    x = 208,864.06

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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.