Home / 190,929.78-286,395.46-64,570.68

Finding the Fourth Proportional to 190,929.78, 286,395.46 and 64,570.68

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Solution

The fourth proportional to 190,929.78, 286,395.46 and 64,570.68 is: 96,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,929.78 : 286,395.46 = 64,570.68 : x
  2. Step 2: Convert to fraction form
    190,929.78/286,395.46 = 64,570.68/x
  3. Step 3: Cross multiply
    190,929.78x = 286,395.46 × 64,570.68
  4. Step 4: Simplify right side
    190,929.78x = 18,492,749,601.11
  5. Step 5: Solve for x
    x = 18,492,749,601.11/190,929.78
  6. Step 6: Final answer
    x = 96,856.29

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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.