Home / 190,837.80-286,256.70-164,572.20

Finding the Fourth Proportional to 190,837.80, 286,256.70 and 164,572.20

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Solution

The fourth proportional to 190,837.80, 286,256.70 and 164,572.20 is: 246,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,837.80 : 286,256.70 = 164,572.20 : x
  2. Step 2: Convert to fraction form
    190,837.80/286,256.70 = 164,572.20/x
  3. Step 3: Cross multiply
    190,837.80x = 286,256.70 × 164,572.20
  4. Step 4: Simplify right side
    190,837.80x = 47,109,894,883.74
  5. Step 5: Solve for x
    x = 47,109,894,883.74/190,837.80
  6. Step 6: Final answer
    x = 246,858.30

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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.