Home / 134,300.47-201,417.21-39,511.78

Finding the Fourth Proportional to 134,300.47, 201,417.21 and 39,511.78

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Solution

The fourth proportional to 134,300.47, 201,417.21 and 39,511.78 is: 59,257.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,300.47 : 201,417.21 = 39,511.78 : x
  2. Step 2: Convert to fraction form
    134,300.47/201,417.21 = 39,511.78/x
  3. Step 3: Cross multiply
    134,300.47x = 201,417.21 × 39,511.78
  4. Step 4: Simplify right side
    134,300.47x = 7,958,352,845.11
  5. Step 5: Solve for x
    x = 7,958,352,845.11/134,300.47
  6. Step 6: Final answer
    x = 59,257.82

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1.5x scale

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.