Home / 112,619.76-169,596.07-98,005.13

Finding the Fourth Proportional to 112,619.76, 169,596.07 and 98,005.13

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Solution

The fourth proportional to 112,619.76, 169,596.07 and 98,005.13 is: 147,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,619.76 : 169,596.07 = 98,005.13 : x
  2. Step 2: Convert to fraction form
    112,619.76/169,596.07 = 98,005.13/x
  3. Step 3: Cross multiply
    112,619.76x = 169,596.07 × 98,005.13
  4. Step 4: Simplify right side
    112,619.76x = 16,621,284,887.84
  5. Step 5: Solve for x
    x = 16,621,284,887.84/112,619.76
  6. Step 6: Final answer
    x = 147,587.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.