Home / 156,039.50-233,918.75-56,129.46

Finding the Fourth Proportional to 156,039.50, 233,918.75 and 56,129.46

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Solution

The fourth proportional to 156,039.50, 233,918.75 and 56,129.46 is: 84,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,039.50 : 233,918.75 = 56,129.46 : x
  2. Step 2: Convert to fraction form
    156,039.50/233,918.75 = 56,129.46/x
  3. Step 3: Cross multiply
    156,039.50x = 233,918.75 × 56,129.46
  4. Step 4: Simplify right side
    156,039.50x = 13,129,732,840.73
  5. Step 5: Solve for x
    x = 13,129,732,840.73/156,039.50
  6. Step 6: Final answer
    x = 84,143.65

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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.