Home / 133,000.90-183,541.25-85,254.34

Finding the Fourth Proportional to 133,000.90, 183,541.25 and 85,254.34

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Solution

The fourth proportional to 133,000.90, 183,541.25 and 85,254.34 is: 117,650.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,000.90 : 183,541.25 = 85,254.34 : x
  2. Step 2: Convert to fraction form
    133,000.90/183,541.25 = 85,254.34/x
  3. Step 3: Cross multiply
    133,000.90x = 183,541.25 × 85,254.34
  4. Step 4: Simplify right side
    133,000.90x = 15,647,688,131.53
  5. Step 5: Solve for x
    x = 15,647,688,131.53/133,000.90
  6. Step 6: Final answer
    x = 117,650.99

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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.