Home / 194,686.99-268,686.86-118,188.36

Finding the Fourth Proportional to 194,686.99, 268,686.86 and 118,188.36

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Solution

The fourth proportional to 194,686.99, 268,686.86 and 118,188.36 is: 163,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,686.99 : 268,686.86 = 118,188.36 : x
  2. Step 2: Convert to fraction form
    194,686.99/268,686.86 = 118,188.36/x
  3. Step 3: Cross multiply
    194,686.99x = 268,686.86 × 118,188.36
  4. Step 4: Simplify right side
    194,686.99x = 31,755,658,746.01
  5. Step 5: Solve for x
    x = 31,755,658,746.01/194,686.99
  6. Step 6: Final answer
    x = 163,111.36

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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.