Home / 119,326.26-178,980.01-69,374.50

Finding the Fourth Proportional to 119,326.26, 178,980.01 and 69,374.50

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Solution

The fourth proportional to 119,326.26, 178,980.01 and 69,374.50 is: 104,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,326.26 : 178,980.01 = 69,374.50 : x
  2. Step 2: Convert to fraction form
    119,326.26/178,980.01 = 69,374.50/x
  3. Step 3: Cross multiply
    119,326.26x = 178,980.01 × 69,374.50
  4. Step 4: Simplify right side
    119,326.26x = 12,416,648,703.75
  5. Step 5: Solve for x
    x = 12,416,648,703.75/119,326.26
  6. Step 6: Final answer
    x = 104,056.30

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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.