Home / 162,081.14-243,130.35-51,264.50

Finding the Fourth Proportional to 162,081.14, 243,130.35 and 51,264.50

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Solution

The fourth proportional to 162,081.14, 243,130.35 and 51,264.50 is: 76,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,081.14 : 243,130.35 = 51,264.50 : x
  2. Step 2: Convert to fraction form
    162,081.14/243,130.35 = 51,264.50/x
  3. Step 3: Cross multiply
    162,081.14x = 243,130.35 × 51,264.50
  4. Step 4: Simplify right side
    162,081.14x = 12,463,955,827.58
  5. Step 5: Solve for x
    x = 12,463,955,827.58/162,081.14
  6. Step 6: Final answer
    x = 76,899.48

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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.