Home / 186,362.64-257,173.40-113,886.72

Finding the Fourth Proportional to 186,362.64, 257,173.40 and 113,886.72

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Solution

The fourth proportional to 186,362.64, 257,173.40 and 113,886.72 is: 157,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,362.64 : 257,173.40 = 113,886.72 : x
  2. Step 2: Convert to fraction form
    186,362.64/257,173.40 = 113,886.72/x
  3. Step 3: Cross multiply
    186,362.64x = 257,173.40 × 113,886.72
  4. Step 4: Simplify right side
    186,362.64x = 29,288,635,281.96
  5. Step 5: Solve for x
    x = 29,288,635,281.96/186,362.64
  6. Step 6: Final answer
    x = 157,159.37

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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.