Home / 190,200.26-262,476.36-105,317.34

Finding the Fourth Proportional to 190,200.26, 262,476.36 and 105,317.34

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Solution

The fourth proportional to 190,200.26, 262,476.36 and 105,317.34 is: 145,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,200.26 : 262,476.36 = 105,317.34 : x
  2. Step 2: Convert to fraction form
    190,200.26/262,476.36 = 105,317.34/x
  3. Step 3: Cross multiply
    190,200.26x = 262,476.36 × 105,317.34
  4. Step 4: Simplify right side
    190,200.26x = 27,643,312,048.08
  5. Step 5: Solve for x
    x = 27,643,312,048.08/190,200.26
  6. Step 6: Final answer
    x = 145,337.93

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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.