Home / 141,521.19-195,297.57-105,384.30

Finding the Fourth Proportional to 141,521.19, 195,297.57 and 105,384.30

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Solution

The fourth proportional to 141,521.19, 195,297.57 and 105,384.30 is: 145,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,521.19 : 195,297.57 = 105,384.30 : x
  2. Step 2: Convert to fraction form
    141,521.19/195,297.57 = 105,384.30/x
  3. Step 3: Cross multiply
    141,521.19x = 195,297.57 × 105,384.30
  4. Step 4: Simplify right side
    141,521.19x = 20,581,297,706.15
  5. Step 5: Solve for x
    x = 20,581,297,706.15/141,521.19
  6. Step 6: Final answer
    x = 145,429.09

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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.