Home / 113,162.08-156,166.29-62,178

Finding the Fourth Proportional to 113,162.08, 156,166.29 and 62,178

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Solution

The fourth proportional to 113,162.08, 156,166.29 and 62,178 is: 85,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,162.08 : 156,166.29 = 62,178 : x
  2. Step 2: Convert to fraction form
    113,162.08/156,166.29 = 62,178/x
  3. Step 3: Cross multiply
    113,162.08x = 156,166.29 × 62,178
  4. Step 4: Simplify right side
    113,162.08x = 9,710,107,579.62
  5. Step 5: Solve for x
    x = 9,710,107,579.62/113,162.08
  6. Step 6: Final answer
    x = 85,807.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.