Home / 186,116.58-256,703.40-118,074.96

Finding the Fourth Proportional to 186,116.58, 256,703.40 and 118,074.96

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Solution

The fourth proportional to 186,116.58, 256,703.40 and 118,074.96 is: 162,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,116.58 : 256,703.40 = 118,074.96 : x
  2. Step 2: Convert to fraction form
    186,116.58/256,703.40 = 118,074.96/x
  3. Step 3: Cross multiply
    186,116.58x = 256,703.40 × 118,074.96
  4. Step 4: Simplify right side
    186,116.58x = 30,310,243,686.86
  5. Step 5: Solve for x
    x = 30,310,243,686.86/186,116.58
  6. Step 6: Final answer
    x = 162,856.23

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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.