Home / 219,070.35-328,605.53-124,263.90

Finding the Fourth Proportional to 219,070.35, 328,605.53 and 124,263.90

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Solution

The fourth proportional to 219,070.35, 328,605.53 and 124,263.90 is: 186,395.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,070.35 : 328,605.53 = 124,263.90 : x
  2. Step 2: Convert to fraction form
    219,070.35/328,605.53 = 124,263.90/x
  3. Step 3: Cross multiply
    219,070.35x = 328,605.53 × 124,263.90
  4. Step 4: Simplify right side
    219,070.35x = 40,833,804,098.05
  5. Step 5: Solve for x
    x = 40,833,804,098.05/219,070.35
  6. Step 6: Final answer
    x = 186,395.85

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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.