Home / 199,070.30-298,605.45-124,420.70

Finding the Fourth Proportional to 199,070.30, 298,605.45 and 124,420.70

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Solution

The fourth proportional to 199,070.30, 298,605.45 and 124,420.70 is: 186,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,070.30 : 298,605.45 = 124,420.70 : x
  2. Step 2: Convert to fraction form
    199,070.30/298,605.45 = 124,420.70/x
  3. Step 3: Cross multiply
    199,070.30x = 298,605.45 × 124,420.70
  4. Step 4: Simplify right side
    199,070.30x = 37,152,699,112.82
  5. Step 5: Solve for x
    x = 37,152,699,112.82/199,070.30
  6. Step 6: Final answer
    x = 186,631.05

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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.