Home / 186,309.12-257,066.72-110,842.88

Finding the Fourth Proportional to 186,309.12, 257,066.72 and 110,842.88

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Solution

The fourth proportional to 186,309.12, 257,066.72 and 110,842.88 is: 152,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,309.12 : 257,066.72 = 110,842.88 : x
  2. Step 2: Convert to fraction form
    186,309.12/257,066.72 = 110,842.88/x
  3. Step 3: Cross multiply
    186,309.12x = 257,066.72 × 110,842.88
  4. Step 4: Simplify right side
    186,309.12x = 28,494,015,596.95
  5. Step 5: Solve for x
    x = 28,494,015,596.95/186,309.12
  6. Step 6: Final answer
    x = 152,939.46

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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.