Home / 156,128.86-234,166.65-56,269.18

Finding the Fourth Proportional to 156,128.86, 234,166.65 and 56,269.18

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Solution

The fourth proportional to 156,128.86, 234,166.65 and 56,269.18 is: 84,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,128.86 : 234,166.65 = 56,269.18 : x
  2. Step 2: Convert to fraction form
    156,128.86/234,166.65 = 56,269.18/x
  3. Step 3: Cross multiply
    156,128.86x = 234,166.65 × 56,269.18
  4. Step 4: Simplify right side
    156,128.86x = 13,176,365,378.85
  5. Step 5: Solve for x
    x = 13,176,365,378.85/156,128.86
  6. Step 6: Final answer
    x = 84,394.17

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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.