Home / 190,933.40-286,400.10-164,106.20

Finding the Fourth Proportional to 190,933.40, 286,400.10 and 164,106.20

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Solution

The fourth proportional to 190,933.40, 286,400.10 and 164,106.20 is: 246,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,933.40 : 286,400.10 = 164,106.20 : x
  2. Step 2: Convert to fraction form
    190,933.40/286,400.10 = 164,106.20/x
  3. Step 3: Cross multiply
    190,933.40x = 286,400.10 × 164,106.20
  4. Step 4: Simplify right side
    190,933.40x = 47,000,032,090.62
  5. Step 5: Solve for x
    x = 47,000,032,090.62/190,933.40
  6. Step 6: Final answer
    x = 246,159.30

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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.