Home / 147,088.40-220,195.20-87,893.60

Finding the Fourth Proportional to 147,088.40, 220,195.20 and 87,893.60

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Solution

The fourth proportional to 147,088.40, 220,195.20 and 87,893.60 is: 131,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,088.40 : 220,195.20 = 87,893.60 : x
  2. Step 2: Convert to fraction form
    147,088.40/220,195.20 = 87,893.60/x
  3. Step 3: Cross multiply
    147,088.40x = 220,195.20 × 87,893.60
  4. Step 4: Simplify right side
    147,088.40x = 19,353,748,830.72
  5. Step 5: Solve for x
    x = 19,353,748,830.72/147,088.40
  6. Step 6: Final answer
    x = 131,579.03

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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.