Home / 190,718.76-263,192.43-104,678.45

Finding the Fourth Proportional to 190,718.76, 263,192.43 and 104,678.45

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Solution

The fourth proportional to 190,718.76, 263,192.43 and 104,678.45 is: 144,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,718.76 : 263,192.43 = 104,678.45 : x
  2. Step 2: Convert to fraction form
    190,718.76/263,192.43 = 104,678.45/x
  3. Step 3: Cross multiply
    190,718.76x = 263,192.43 × 104,678.45
  4. Step 4: Simplify right side
    190,718.76x = 27,550,574,308.17
  5. Step 5: Solve for x
    x = 27,550,574,308.17/190,718.76
  6. Step 6: Final answer
    x = 144,456.55

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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.