Home / 186,464.07-257,238.45-126,012.69

Finding the Fourth Proportional to 186,464.07, 257,238.45 and 126,012.69

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Solution

The fourth proportional to 186,464.07, 257,238.45 and 126,012.69 is: 173,842.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,464.07 : 257,238.45 = 126,012.69 : x
  2. Step 2: Convert to fraction form
    186,464.07/257,238.45 = 126,012.69/x
  3. Step 3: Cross multiply
    186,464.07x = 257,238.45 × 126,012.69
  4. Step 4: Simplify right side
    186,464.07x = 32,415,309,055.93
  5. Step 5: Solve for x
    x = 32,415,309,055.93/186,464.07
  6. Step 6: Final answer
    x = 173,842.12

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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.