Home / 186,455.16-279,574.74-127,362.24

Finding the Fourth Proportional to 186,455.16, 279,574.74 and 127,362.24

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Solution

The fourth proportional to 186,455.16, 279,574.74 and 127,362.24 is: 190,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,455.16 : 279,574.74 = 127,362.24 : x
  2. Step 2: Convert to fraction form
    186,455.16/279,574.74 = 127,362.24/x
  3. Step 3: Cross multiply
    186,455.16x = 279,574.74 × 127,362.24
  4. Step 4: Simplify right side
    186,455.16x = 35,607,265,133.82
  5. Step 5: Solve for x
    x = 35,607,265,133.82/186,455.16
  6. Step 6: Final answer
    x = 190,969.59

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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.