Home / 125,501.40-188,125.74-55,368.36

Finding the Fourth Proportional to 125,501.40, 188,125.74 and 55,368.36

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Solution

The fourth proportional to 125,501.40, 188,125.74 and 55,368.36 is: 82,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,501.40 : 188,125.74 = 55,368.36 : x
  2. Step 2: Convert to fraction form
    125,501.40/188,125.74 = 55,368.36/x
  3. Step 3: Cross multiply
    125,501.40x = 188,125.74 × 55,368.36
  4. Step 4: Simplify right side
    125,501.40x = 10,416,213,697.59
  5. Step 5: Solve for x
    x = 10,416,213,697.59/125,501.40
  6. Step 6: Final answer
    x = 82,996.79

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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.