Home / 134,833.90-186,236.36-100,993.62

Finding the Fourth Proportional to 134,833.90, 186,236.36 and 100,993.62

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Solution

The fourth proportional to 134,833.90, 186,236.36 and 100,993.62 is: 139,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,833.90 : 186,236.36 = 100,993.62 : x
  2. Step 2: Convert to fraction form
    134,833.90/186,236.36 = 100,993.62/x
  3. Step 3: Cross multiply
    134,833.90x = 186,236.36 × 100,993.62
  4. Step 4: Simplify right side
    134,833.90x = 18,808,684,424.51
  5. Step 5: Solve for x
    x = 18,808,684,424.51/134,833.90
  6. Step 6: Final answer
    x = 139,495.22

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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.