Home / 145,599.41-200,896.18-85,158.25

Finding the Fourth Proportional to 145,599.41, 200,896.18 and 85,158.25

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Solution

The fourth proportional to 145,599.41, 200,896.18 and 85,158.25 is: 117,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,599.41 : 200,896.18 = 85,158.25 : x
  2. Step 2: Convert to fraction form
    145,599.41/200,896.18 = 85,158.25/x
  3. Step 3: Cross multiply
    145,599.41x = 200,896.18 × 85,158.25
  4. Step 4: Simplify right side
    145,599.41x = 17,107,968,014.41
  5. Step 5: Solve for x
    x = 17,107,968,014.41/145,599.41
  6. Step 6: Final answer
    x = 117,500.26

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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.