Home / 190,880.40-286,320.60-164,053.20

Finding the Fourth Proportional to 190,880.40, 286,320.60 and 164,053.20

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Solution

The fourth proportional to 190,880.40, 286,320.60 and 164,053.20 is: 246,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,880.40 : 286,320.60 = 164,053.20 : x
  2. Step 2: Convert to fraction form
    190,880.40/286,320.60 = 164,053.20/x
  3. Step 3: Cross multiply
    190,880.40x = 286,320.60 × 164,053.20
  4. Step 4: Simplify right side
    190,880.40x = 46,971,810,655.92
  5. Step 5: Solve for x
    x = 46,971,810,655.92/190,880.40
  6. Step 6: Final answer
    x = 246,079.80

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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.