Home / 187,075.75-280,683.34-112,249.60

Finding the Fourth Proportional to 187,075.75, 280,683.34 and 112,249.60

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Solution

The fourth proportional to 187,075.75, 280,683.34 and 112,249.60 is: 168,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,075.75 : 280,683.34 = 112,249.60 : x
  2. Step 2: Convert to fraction form
    187,075.75/280,683.34 = 112,249.60/x
  3. Step 3: Cross multiply
    187,075.75x = 280,683.34 × 112,249.60
  4. Step 4: Simplify right side
    187,075.75x = 31,506,591,817.18
  5. Step 5: Solve for x
    x = 31,506,591,817.18/187,075.75
  6. Step 6: Final answer
    x = 168,416.22

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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.