Home / 186,457.16-279,577.74-127,364.24

Finding the Fourth Proportional to 186,457.16, 279,577.74 and 127,364.24

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Solution

The fourth proportional to 186,457.16, 279,577.74 and 127,364.24 is: 190,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,457.16 : 279,577.74 = 127,364.24 : x
  2. Step 2: Convert to fraction form
    186,457.16/279,577.74 = 127,364.24/x
  3. Step 3: Cross multiply
    186,457.16x = 279,577.74 × 127,364.24
  4. Step 4: Simplify right side
    186,457.16x = 35,608,206,376.02
  5. Step 5: Solve for x
    x = 35,608,206,376.02/186,457.16
  6. Step 6: Final answer
    x = 190,972.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.