Home / 190,906.02-286,363.12-57,786.06

Finding the Fourth Proportional to 190,906.02, 286,363.12 and 57,786.06

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Solution

The fourth proportional to 190,906.02, 286,363.12 and 57,786.06 is: 86,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,906.02 : 286,363.12 = 57,786.06 : x
  2. Step 2: Convert to fraction form
    190,906.02/286,363.12 = 57,786.06/x
  3. Step 3: Cross multiply
    190,906.02x = 286,363.12 × 57,786.06
  4. Step 4: Simplify right side
    190,906.02x = 16,547,796,434.11
  5. Step 5: Solve for x
    x = 16,547,796,434.11/190,906.02
  6. Step 6: Final answer
    x = 86,680.33

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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.