Home / 147,000.60-220,172.85-113,612.40

Finding the Fourth Proportional to 147,000.60, 220,172.85 and 113,612.40

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Solution

The fourth proportional to 147,000.60, 220,172.85 and 113,612.40 is: 170,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,000.60 : 220,172.85 = 113,612.40 : x
  2. Step 2: Convert to fraction form
    147,000.60/220,172.85 = 113,612.40/x
  3. Step 3: Cross multiply
    147,000.60x = 220,172.85 × 113,612.40
  4. Step 4: Simplify right side
    147,000.60x = 25,014,365,903.34
  5. Step 5: Solve for x
    x = 25,014,365,903.34/147,000.60
  6. Step 6: Final answer
    x = 170,165.06

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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.