Home / 201,632.09-302,634.93-101,862.56

Finding the Fourth Proportional to 201,632.09, 302,634.93 and 101,862.56

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Solution

The fourth proportional to 201,632.09, 302,634.93 and 101,862.56 is: 152,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,632.09 : 302,634.93 = 101,862.56 : x
  2. Step 2: Convert to fraction form
    201,632.09/302,634.93 = 101,862.56/x
  3. Step 3: Cross multiply
    201,632.09x = 302,634.93 × 101,862.56
  4. Step 4: Simplify right side
    201,632.09x = 30,827,169,853.79
  5. Step 5: Solve for x
    x = 30,827,169,853.79/201,632.09
  6. Step 6: Final answer
    x = 152,888.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.