Home / 186,477.34-257,372.04-109,991.74

Finding the Fourth Proportional to 186,477.34, 257,372.04 and 109,991.74

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Solution

The fourth proportional to 186,477.34, 257,372.04 and 109,991.74 is: 151,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,477.34 : 257,372.04 = 109,991.74 : x
  2. Step 2: Convert to fraction form
    186,477.34/257,372.04 = 109,991.74/x
  3. Step 3: Cross multiply
    186,477.34x = 257,372.04 × 109,991.74
  4. Step 4: Simplify right side
    186,477.34x = 28,308,798,506.95
  5. Step 5: Solve for x
    x = 28,308,798,506.95/186,477.34
  6. Step 6: Final answer
    x = 151,808.25

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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.