Home / 105,376.19-158,175.68-102,996.45

Finding the Fourth Proportional to 105,376.19, 158,175.68 and 102,996.45

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Solution

The fourth proportional to 105,376.19, 158,175.68 and 102,996.45 is: 154,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,376.19 : 158,175.68 = 102,996.45 : x
  2. Step 2: Convert to fraction form
    105,376.19/158,175.68 = 102,996.45/x
  3. Step 3: Cross multiply
    105,376.19x = 158,175.68 × 102,996.45
  4. Step 4: Simplify right side
    105,376.19x = 16,291,533,001.35
  5. Step 5: Solve for x
    x = 16,291,533,001.35/105,376.19
  6. Step 6: Final answer
    x = 154,603.56

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1.5x scale

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.