Home / 105,005.05-157,508.14-26,119.28

Finding the Fourth Proportional to 105,005.05, 157,508.14 and 26,119.28

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Solution

The fourth proportional to 105,005.05, 157,508.14 and 26,119.28 is: 39,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,005.05 : 157,508.14 = 26,119.28 : x
  2. Step 2: Convert to fraction form
    105,005.05/157,508.14 = 26,119.28/x
  3. Step 3: Cross multiply
    105,005.05x = 157,508.14 × 26,119.28
  4. Step 4: Simplify right side
    105,005.05x = 4,113,998,423.40
  5. Step 5: Solve for x
    x = 4,113,998,423.40/105,005.05
  6. Step 6: Final answer
    x = 39,179.05

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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.