Home / 186,624.61-257,546.87-115,051.93

Finding the Fourth Proportional to 186,624.61, 257,546.87 and 115,051.93

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Solution

The fourth proportional to 186,624.61, 257,546.87 and 115,051.93 is: 158,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624.61 : 257,546.87 = 115,051.93 : x
  2. Step 2: Convert to fraction form
    186,624.61/257,546.87 = 115,051.93/x
  3. Step 3: Cross multiply
    186,624.61x = 257,546.87 × 115,051.93
  4. Step 4: Simplify right side
    186,624.61x = 29,631,263,883.70
  5. Step 5: Solve for x
    x = 29,631,263,883.70/186,624.61
  6. Step 6: Final answer
    x = 158,774.69

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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.