Home / 346,023.70-519,035.55-109,438.90

Finding the Fourth Proportional to 346,023.70, 519,035.55 and 109,438.90

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Solution

The fourth proportional to 346,023.70, 519,035.55 and 109,438.90 is: 164,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,023.70 : 519,035.55 = 109,438.90 : x
  2. Step 2: Convert to fraction form
    346,023.70/519,035.55 = 109,438.90/x
  3. Step 3: Cross multiply
    346,023.70x = 519,035.55 × 109,438.90
  4. Step 4: Simplify right side
    346,023.70x = 56,802,679,652.90
  5. Step 5: Solve for x
    x = 56,802,679,652.90/346,023.70
  6. Step 6: Final answer
    x = 164,158.35

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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.