Home / 183,406.90-253,111.96-102,830.52

Finding the Fourth Proportional to 183,406.90, 253,111.96 and 102,830.52

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Solution

The fourth proportional to 183,406.90, 253,111.96 and 102,830.52 is: 141,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,406.90 : 253,111.96 = 102,830.52 : x
  2. Step 2: Convert to fraction form
    183,406.90/253,111.96 = 102,830.52/x
  3. Step 3: Cross multiply
    183,406.90x = 253,111.96 × 102,830.52
  4. Step 4: Simplify right side
    183,406.90x = 26,027,634,465.02
  5. Step 5: Solve for x
    x = 26,027,634,465.02/183,406.90
  6. Step 6: Final answer
    x = 141,911.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.