Home / 136,594.41-188,499.48-76,165.77

Finding the Fourth Proportional to 136,594.41, 188,499.48 and 76,165.77

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Solution

The fourth proportional to 136,594.41, 188,499.48 and 76,165.77 is: 105,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,594.41 : 188,499.48 = 76,165.77 : x
  2. Step 2: Convert to fraction form
    136,594.41/188,499.48 = 76,165.77/x
  3. Step 3: Cross multiply
    136,594.41x = 188,499.48 × 76,165.77
  4. Step 4: Simplify right side
    136,594.41x = 14,357,208,038.80
  5. Step 5: Solve for x
    x = 14,357,208,038.80/136,594.41
  6. Step 6: Final answer
    x = 105,108.31

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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.