Home / 190,184.72-262,463.12-105,301.79

Finding the Fourth Proportional to 190,184.72, 262,463.12 and 105,301.79

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Solution

The fourth proportional to 190,184.72, 262,463.12 and 105,301.79 is: 145,321.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,184.72 : 262,463.12 = 105,301.79 : x
  2. Step 2: Convert to fraction form
    190,184.72/262,463.12 = 105,301.79/x
  3. Step 3: Cross multiply
    190,184.72x = 262,463.12 × 105,301.79
  4. Step 4: Simplify right side
    190,184.72x = 27,637,834,506.16
  5. Step 5: Solve for x
    x = 27,637,834,506.16/190,184.72
  6. Step 6: Final answer
    x = 145,321.00

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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.