Home / 112,037.10-168,055.65-102,705.90

Finding the Fourth Proportional to 112,037.10, 168,055.65 and 102,705.90

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Solution

The fourth proportional to 112,037.10, 168,055.65 and 102,705.90 is: 154,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,037.10 : 168,055.65 = 102,705.90 : x
  2. Step 2: Convert to fraction form
    112,037.10/168,055.65 = 102,705.90/x
  3. Step 3: Cross multiply
    112,037.10x = 168,055.65 × 102,705.90
  4. Step 4: Simplify right side
    112,037.10x = 17,260,306,783.34
  5. Step 5: Solve for x
    x = 17,260,306,783.34/112,037.10
  6. Step 6: Final answer
    x = 154,058.85

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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.