Home / 201,527.12-302,256.70-57,422.79

Finding the Fourth Proportional to 201,527.12, 302,256.70 and 57,422.79

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Solution

The fourth proportional to 201,527.12, 302,256.70 and 57,422.79 is: 86,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,527.12 : 302,256.70 = 57,422.79 : x
  2. Step 2: Convert to fraction form
    201,527.12/302,256.70 = 57,422.79/x
  3. Step 3: Cross multiply
    201,527.12x = 302,256.70 × 57,422.79
  4. Step 4: Simplify right side
    201,527.12x = 17,356,422,866.64
  5. Step 5: Solve for x
    x = 17,356,422,866.64/201,527.12
  6. Step 6: Final answer
    x = 86,124.50

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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.