Home / 190,362.36-262,696.14-105,478.68

Finding the Fourth Proportional to 190,362.36, 262,696.14 and 105,478.68

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Solution

The fourth proportional to 190,362.36, 262,696.14 and 105,478.68 is: 145,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,362.36 : 262,696.14 = 105,478.68 : x
  2. Step 2: Convert to fraction form
    190,362.36/262,696.14 = 105,478.68/x
  3. Step 3: Cross multiply
    190,362.36x = 262,696.14 × 105,478.68
  4. Step 4: Simplify right side
    190,362.36x = 27,708,842,088.30
  5. Step 5: Solve for x
    x = 27,708,842,088.30/190,362.36
  6. Step 6: Final answer
    x = 145,558.41

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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.