Home / 149,832.90-224,749.35-90,638.10

Finding the Fourth Proportional to 149,832.90, 224,749.35 and 90,638.10

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Solution

The fourth proportional to 149,832.90, 224,749.35 and 90,638.10 is: 135,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,832.90 : 224,749.35 = 90,638.10 : x
  2. Step 2: Convert to fraction form
    149,832.90/224,749.35 = 90,638.10/x
  3. Step 3: Cross multiply
    149,832.90x = 224,749.35 × 90,638.10
  4. Step 4: Simplify right side
    149,832.90x = 20,370,854,060.24
  5. Step 5: Solve for x
    x = 20,370,854,060.24/149,832.90
  6. Step 6: Final answer
    x = 135,957.15

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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.