Home / 186,406.19-257,231.37-105,823.14

Finding the Fourth Proportional to 186,406.19, 257,231.37 and 105,823.14

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Solution

The fourth proportional to 186,406.19, 257,231.37 and 105,823.14 is: 146,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,406.19 : 257,231.37 = 105,823.14 : x
  2. Step 2: Convert to fraction form
    186,406.19/257,231.37 = 105,823.14/x
  3. Step 3: Cross multiply
    186,406.19x = 257,231.37 × 105,823.14
  4. Step 4: Simplify right side
    186,406.19x = 27,221,029,464.63
  5. Step 5: Solve for x
    x = 27,221,029,464.63/186,406.19
  6. Step 6: Final answer
    x = 146,030.72

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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.