Home / 124,699.32-172,267.20-107,903.16

Finding the Fourth Proportional to 124,699.32, 172,267.20 and 107,903.16

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Solution

The fourth proportional to 124,699.32, 172,267.20 and 107,903.16 is: 149,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,699.32 : 172,267.20 = 107,903.16 : x
  2. Step 2: Convert to fraction form
    124,699.32/172,267.20 = 107,903.16/x
  3. Step 3: Cross multiply
    124,699.32x = 172,267.20 × 107,903.16
  4. Step 4: Simplify right side
    124,699.32x = 18,588,175,244.35
  5. Step 5: Solve for x
    x = 18,588,175,244.35/124,699.32
  6. Step 6: Final answer
    x = 149,063.97

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1.5x scale

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.