Home / 127,557.80-191,328.60-43,317.80

Finding the Fourth Proportional to 127,557.80, 191,328.60 and 43,317.80

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Solution

The fourth proportional to 127,557.80, 191,328.60 and 43,317.80 is: 64,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,557.80 : 191,328.60 = 43,317.80 : x
  2. Step 2: Convert to fraction form
    127,557.80/191,328.60 = 43,317.80/x
  3. Step 3: Cross multiply
    127,557.80x = 191,328.60 × 43,317.80
  4. Step 4: Simplify right side
    127,557.80x = 8,287,934,029.08
  5. Step 5: Solve for x
    x = 8,287,934,029.08/127,557.80
  6. Step 6: Final answer
    x = 64,973.95

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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.