Home / 186,209.76-257,056.56-119,180.64

Finding the Fourth Proportional to 186,209.76, 257,056.56 and 119,180.64

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Solution

The fourth proportional to 186,209.76, 257,056.56 and 119,180.64 is: 164,525.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,209.76 : 257,056.56 = 119,180.64 : x
  2. Step 2: Convert to fraction form
    186,209.76/257,056.56 = 119,180.64/x
  3. Step 3: Cross multiply
    186,209.76x = 257,056.56 × 119,180.64
  4. Step 4: Simplify right side
    186,209.76x = 30,636,165,337.00
  5. Step 5: Solve for x
    x = 30,636,165,337.00/186,209.76
  6. Step 6: Final answer
    x = 164,525.02

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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.