Home / 186,558.06-257,457.07-105,999.23

Finding the Fourth Proportional to 186,558.06, 257,457.07 and 105,999.23

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Solution

The fourth proportional to 186,558.06, 257,457.07 and 105,999.23 is: 146,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,558.06 : 257,457.07 = 105,999.23 : x
  2. Step 2: Convert to fraction form
    186,558.06/257,457.07 = 105,999.23/x
  3. Step 3: Cross multiply
    186,558.06x = 257,457.07 × 105,999.23
  4. Step 4: Simplify right side
    186,558.06x = 27,290,251,178.06
  5. Step 5: Solve for x
    x = 27,290,251,178.06/186,558.06
  6. Step 6: Final answer
    x = 146,282.88

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1.5x scale

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.