Home / 190,862.60-286,326.30-57,741.80

Finding the Fourth Proportional to 190,862.60, 286,326.30 and 57,741.80

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Solution

The fourth proportional to 190,862.60, 286,326.30 and 57,741.80 is: 86,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,862.60 : 286,326.30 = 57,741.80 : x
  2. Step 2: Convert to fraction form
    190,862.60/286,326.30 = 57,741.80/x
  3. Step 3: Cross multiply
    190,862.60x = 286,326.30 × 57,741.80
  4. Step 4: Simplify right side
    190,862.60x = 16,532,995,949.34
  5. Step 5: Solve for x
    x = 16,532,995,949.34/190,862.60
  6. Step 6: Final answer
    x = 86,622.50

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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.