Home / 190,598.48-263,026.07-105,715.54

Finding the Fourth Proportional to 190,598.48, 263,026.07 and 105,715.54

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Solution

The fourth proportional to 190,598.48, 263,026.07 and 105,715.54 is: 145,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,598.48 : 263,026.07 = 105,715.54 : x
  2. Step 2: Convert to fraction form
    190,598.48/263,026.07 = 105,715.54/x
  3. Step 3: Cross multiply
    190,598.48x = 263,026.07 × 105,715.54
  4. Step 4: Simplify right side
    190,598.48x = 27,805,943,024.13
  5. Step 5: Solve for x
    x = 27,805,943,024.13/190,598.48
  6. Step 6: Final answer
    x = 145,887.54

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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.