Home / 346,554.20-520,025.70-146,840.60

Finding the Fourth Proportional to 346,554.20, 520,025.70 and 146,840.60

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Solution

The fourth proportional to 346,554.20, 520,025.70 and 146,840.60 is: 220,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,554.20 : 520,025.70 = 146,840.60 : x
  2. Step 2: Convert to fraction form
    346,554.20/520,025.70 = 146,840.60/x
  3. Step 3: Cross multiply
    346,554.20x = 520,025.70 × 146,840.60
  4. Step 4: Simplify right side
    346,554.20x = 76,360,885,803.42
  5. Step 5: Solve for x
    x = 76,360,885,803.42/346,554.20
  6. Step 6: Final answer
    x = 220,343.27

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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.