Home / 186,726.09-257,637.69-106,147.25

Finding the Fourth Proportional to 186,726.09, 257,637.69 and 106,147.25

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Solution

The fourth proportional to 186,726.09, 257,637.69 and 106,147.25 is: 146,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,726.09 : 257,637.69 = 106,147.25 : x
  2. Step 2: Convert to fraction form
    186,726.09/257,637.69 = 106,147.25/x
  3. Step 3: Cross multiply
    186,726.09x = 257,637.69 × 106,147.25
  4. Step 4: Simplify right side
    186,726.09x = 27,347,532,289.85
  5. Step 5: Solve for x
    x = 27,347,532,289.85/186,726.09
  6. Step 6: Final answer
    x = 146,458.01

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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.