Home / 190,173.36-262,443.08-105,293.48

Finding the Fourth Proportional to 190,173.36, 262,443.08 and 105,293.48

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Solution

The fourth proportional to 190,173.36, 262,443.08 and 105,293.48 is: 145,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,173.36 : 262,443.08 = 105,293.48 : x
  2. Step 2: Convert to fraction form
    190,173.36/262,443.08 = 105,293.48/x
  3. Step 3: Cross multiply
    190,173.36x = 262,443.08 × 105,293.48
  4. Step 4: Simplify right side
    190,173.36x = 27,633,545,195.12
  5. Step 5: Solve for x
    x = 27,633,545,195.12/190,173.36
  6. Step 6: Final answer
    x = 145,307.13

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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.