Home / 186,111.03-279,053.92-83,509.55

Finding the Fourth Proportional to 186,111.03, 279,053.92 and 83,509.55

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Solution

The fourth proportional to 186,111.03, 279,053.92 and 83,509.55 is: 125,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,111.03 : 279,053.92 = 83,509.55 : x
  2. Step 2: Convert to fraction form
    186,111.03/279,053.92 = 83,509.55/x
  3. Step 3: Cross multiply
    186,111.03x = 279,053.92 × 83,509.55
  4. Step 4: Simplify right side
    186,111.03x = 23,303,666,587.30
  5. Step 5: Solve for x
    x = 23,303,666,587.30/186,111.03
  6. Step 6: Final answer
    x = 125,213.79

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1.5x scale

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.