Home / 190,598.13-263,018.75-105,723.09

Finding the Fourth Proportional to 190,598.13, 263,018.75 and 105,723.09

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Solution

The fourth proportional to 190,598.13, 263,018.75 and 105,723.09 is: 145,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,598.13 : 263,018.75 = 105,723.09 : x
  2. Step 2: Convert to fraction form
    190,598.13/263,018.75 = 105,723.09/x
  3. Step 3: Cross multiply
    190,598.13x = 263,018.75 × 105,723.09
  4. Step 4: Simplify right side
    190,598.13x = 27,807,154,449.32
  5. Step 5: Solve for x
    x = 27,807,154,449.32/190,598.13
  6. Step 6: Final answer
    x = 145,894.16

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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.