Home / 186,928.63-257,961.44-102,045.69

Finding the Fourth Proportional to 186,928.63, 257,961.44 and 102,045.69

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Solution

The fourth proportional to 186,928.63, 257,961.44 and 102,045.69 is: 140,823.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,928.63 : 257,961.44 = 102,045.69 : x
  2. Step 2: Convert to fraction form
    186,928.63/257,961.44 = 102,045.69/x
  3. Step 3: Cross multiply
    186,928.63x = 257,961.44 × 102,045.69
  4. Step 4: Simplify right side
    186,928.63x = 26,323,853,138.19
  5. Step 5: Solve for x
    x = 26,323,853,138.19/186,928.63
  6. Step 6: Final answer
    x = 140,823.01

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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.