Home / 190,841.10-286,152.30-57,701.40

Finding the Fourth Proportional to 190,841.10, 286,152.30 and 57,701.40

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Solution

The fourth proportional to 190,841.10, 286,152.30 and 57,701.40 is: 86,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,841.10 : 286,152.30 = 57,701.40 : x
  2. Step 2: Convert to fraction form
    190,841.10/286,152.30 = 57,701.40/x
  3. Step 3: Cross multiply
    190,841.10x = 286,152.30 × 57,701.40
  4. Step 4: Simplify right side
    190,841.10x = 16,511,388,323.22
  5. Step 5: Solve for x
    x = 16,511,388,323.22/190,841.10
  6. Step 6: Final answer
    x = 86,519.04

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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.