Home / 186,009.54-256,681.67-104,333.30

Finding the Fourth Proportional to 186,009.54, 256,681.67 and 104,333.30

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Solution

The fourth proportional to 186,009.54, 256,681.67 and 104,333.30 is: 143,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,009.54 : 256,681.67 = 104,333.30 : x
  2. Step 2: Convert to fraction form
    186,009.54/256,681.67 = 104,333.30/x
  3. Step 3: Cross multiply
    186,009.54x = 256,681.67 × 104,333.30
  4. Step 4: Simplify right side
    186,009.54x = 26,780,445,680.61
  5. Step 5: Solve for x
    x = 26,780,445,680.61/186,009.54
  6. Step 6: Final answer
    x = 143,973.51

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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.