Home / 118,374.08-163,360.16-64,664.10

Finding the Fourth Proportional to 118,374.08, 163,360.16 and 64,664.10

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Solution

The fourth proportional to 118,374.08, 163,360.16 and 64,664.10 is: 89,238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,374.08 : 163,360.16 = 64,664.10 : x
  2. Step 2: Convert to fraction form
    118,374.08/163,360.16 = 64,664.10/x
  3. Step 3: Cross multiply
    118,374.08x = 163,360.16 × 64,664.10
  4. Step 4: Simplify right side
    118,374.08x = 10,563,537,398.94
  5. Step 5: Solve for x
    x = 10,563,537,398.94/118,374.08
  6. Step 6: Final answer
    x = 89,238.61

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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.