Home / 112,052.10-168,078.15-98,492.70

Finding the Fourth Proportional to 112,052.10, 168,078.15 and 98,492.70

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Solution

The fourth proportional to 112,052.10, 168,078.15 and 98,492.70 is: 147,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,052.10 : 168,078.15 = 98,492.70 : x
  2. Step 2: Convert to fraction form
    112,052.10/168,078.15 = 98,492.70/x
  3. Step 3: Cross multiply
    112,052.10x = 168,078.15 × 98,492.70
  4. Step 4: Simplify right side
    112,052.10x = 16,554,470,804.51
  5. Step 5: Solve for x
    x = 16,554,470,804.51/112,052.10
  6. Step 6: Final answer
    x = 147,739.05

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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.