Home / 186,921.84-257,921.73-110,430.30

Finding the Fourth Proportional to 186,921.84, 257,921.73 and 110,430.30

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Solution

The fourth proportional to 186,921.84, 257,921.73 and 110,430.30 is: 152,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,921.84 : 257,921.73 = 110,430.30 : x
  2. Step 2: Convert to fraction form
    186,921.84/257,921.73 = 110,430.30/x
  3. Step 3: Cross multiply
    186,921.84x = 257,921.73 × 110,430.30
  4. Step 4: Simplify right side
    186,921.84x = 28,482,374,020.42
  5. Step 5: Solve for x
    x = 28,482,374,020.42/186,921.84
  6. Step 6: Final answer
    x = 152,375.85

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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.