Home / 190,271.06-262,574.07-105,393.59

Finding the Fourth Proportional to 190,271.06, 262,574.07 and 105,393.59

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Solution

The fourth proportional to 190,271.06, 262,574.07 and 105,393.59 is: 145,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,271.06 : 262,574.07 = 105,393.59 : x
  2. Step 2: Convert to fraction form
    190,271.06/262,574.07 = 105,393.59/x
  3. Step 3: Cross multiply
    190,271.06x = 262,574.07 × 105,393.59
  4. Step 4: Simplify right side
    190,271.06x = 27,673,624,139.42
  5. Step 5: Solve for x
    x = 27,673,624,139.42/190,271.06
  6. Step 6: Final answer
    x = 145,443.16

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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.