Home / 101,544.28-140,143.26-63,813.40

Finding the Fourth Proportional to 101,544.28, 140,143.26 and 63,813.40

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Solution

The fourth proportional to 101,544.28, 140,143.26 and 63,813.40 is: 88,070.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,544.28 : 140,143.26 = 63,813.40 : x
  2. Step 2: Convert to fraction form
    101,544.28/140,143.26 = 63,813.40/x
  3. Step 3: Cross multiply
    101,544.28x = 140,143.26 × 63,813.40
  4. Step 4: Simplify right side
    101,544.28x = 8,943,017,907.68
  5. Step 5: Solve for x
    x = 8,943,017,907.68/101,544.28
  6. Step 6: Final answer
    x = 88,070.13

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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.