Home / 190,559.35-262,988.06-105,703.75

Finding the Fourth Proportional to 190,559.35, 262,988.06 and 105,703.75

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Solution

The fourth proportional to 190,559.35, 262,988.06 and 105,703.75 is: 145,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,559.35 : 262,988.06 = 105,703.75 : x
  2. Step 2: Convert to fraction form
    190,559.35/262,988.06 = 105,703.75/x
  3. Step 3: Cross multiply
    190,559.35x = 262,988.06 × 105,703.75
  4. Step 4: Simplify right side
    190,559.35x = 27,798,824,147.23
  5. Step 5: Solve for x
    x = 27,798,824,147.23/190,559.35
  6. Step 6: Final answer
    x = 145,880.14

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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.