Home / 190,500.80-285,226.32-96,547.28

Finding the Fourth Proportional to 190,500.80, 285,226.32 and 96,547.28

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Solution

The fourth proportional to 190,500.80, 285,226.32 and 96,547.28 is: 144,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,500.80 : 285,226.32 = 96,547.28 : x
  2. Step 2: Convert to fraction form
    190,500.80/285,226.32 = 96,547.28/x
  3. Step 3: Cross multiply
    190,500.80x = 285,226.32 × 96,547.28
  4. Step 4: Simplify right side
    190,500.80x = 27,537,825,380.41
  5. Step 5: Solve for x
    x = 27,537,825,380.41/190,500.80
  6. Step 6: Final answer
    x = 144,554.91

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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.