Home / 190,335.26-262,678.56-105,460.22

Finding the Fourth Proportional to 190,335.26, 262,678.56 and 105,460.22

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Solution

The fourth proportional to 190,335.26, 262,678.56 and 105,460.22 is: 145,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,335.26 : 262,678.56 = 105,460.22 : x
  2. Step 2: Convert to fraction form
    190,335.26/262,678.56 = 105,460.22/x
  3. Step 3: Cross multiply
    190,335.26x = 262,678.56 × 105,460.22
  4. Step 4: Simplify right side
    190,335.26x = 27,702,138,726.88
  5. Step 5: Solve for x
    x = 27,702,138,726.88/190,335.26
  6. Step 6: Final answer
    x = 145,543.91

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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.