Home / 190,988.20-286,611.90-124,265.80

Finding the Fourth Proportional to 190,988.20, 286,611.90 and 124,265.80

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Solution

The fourth proportional to 190,988.20, 286,611.90 and 124,265.80 is: 186,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,988.20 : 286,611.90 = 124,265.80 : x
  2. Step 2: Convert to fraction form
    190,988.20/286,611.90 = 124,265.80/x
  3. Step 3: Cross multiply
    190,988.20x = 286,611.90 × 124,265.80
  4. Step 4: Simplify right side
    190,988.20x = 35,616,057,043.02
  5. Step 5: Solve for x
    x = 35,616,057,043.02/190,988.20
  6. Step 6: Final answer
    x = 186,483.02

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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.