Home / 134,867.07-186,103.31-74,433.81

Finding the Fourth Proportional to 134,867.07, 186,103.31 and 74,433.81

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Solution

The fourth proportional to 134,867.07, 186,103.31 and 74,433.81 is: 102,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,867.07 : 186,103.31 = 74,433.81 : x
  2. Step 2: Convert to fraction form
    134,867.07/186,103.31 = 74,433.81/x
  3. Step 3: Cross multiply
    134,867.07x = 186,103.31 × 74,433.81
  4. Step 4: Simplify right side
    134,867.07x = 13,852,378,742.63
  5. Step 5: Solve for x
    x = 13,852,378,742.63/134,867.07
  6. Step 6: Final answer
    x = 102,711.35

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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.