Home / 157,016.05-235,429.25-70,446.11

Finding the Fourth Proportional to 157,016.05, 235,429.25 and 70,446.11

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Solution

The fourth proportional to 157,016.05, 235,429.25 and 70,446.11 is: 105,626.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,016.05 : 235,429.25 = 70,446.11 : x
  2. Step 2: Convert to fraction form
    157,016.05/235,429.25 = 70,446.11/x
  3. Step 3: Cross multiply
    157,016.05x = 235,429.25 × 70,446.11
  4. Step 4: Simplify right side
    157,016.05x = 16,585,075,079.06
  5. Step 5: Solve for x
    x = 16,585,075,079.06/157,016.05
  6. Step 6: Final answer
    x = 105,626.62

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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.