Home / 156,913.86-235,368.72-38,586.23

Finding the Fourth Proportional to 156,913.86, 235,368.72 and 38,586.23

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Solution

The fourth proportional to 156,913.86, 235,368.72 and 38,586.23 is: 57,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,913.86 : 235,368.72 = 38,586.23 : x
  2. Step 2: Convert to fraction form
    156,913.86/235,368.72 = 38,586.23/x
  3. Step 3: Cross multiply
    156,913.86x = 235,368.72 × 38,586.23
  4. Step 4: Simplify right side
    156,913.86x = 9,081,990,387.88
  5. Step 5: Solve for x
    x = 9,081,990,387.88/156,913.86
  6. Step 6: Final answer
    x = 57,878.83

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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.