Home / 163,640.12-245,486.32-57,054.75

Finding the Fourth Proportional to 163,640.12, 245,486.32 and 57,054.75

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Solution

The fourth proportional to 163,640.12, 245,486.32 and 57,054.75 is: 85,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,640.12 : 245,486.32 = 57,054.75 : x
  2. Step 2: Convert to fraction form
    163,640.12/245,486.32 = 57,054.75/x
  3. Step 3: Cross multiply
    163,640.12x = 245,486.32 × 57,054.75
  4. Step 4: Simplify right side
    163,640.12x = 14,006,159,552.81
  5. Step 5: Solve for x
    x = 14,006,159,552.81/163,640.12
  6. Step 6: Final answer
    x = 85,591.24

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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.