Home / 346,445.70-519,741.45-109,812.30

Finding the Fourth Proportional to 346,445.70, 519,741.45 and 109,812.30

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Solution

The fourth proportional to 346,445.70, 519,741.45 and 109,812.30 is: 164,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,445.70 : 519,741.45 = 109,812.30 : x
  2. Step 2: Convert to fraction form
    346,445.70/519,741.45 = 109,812.30/x
  3. Step 3: Cross multiply
    346,445.70x = 519,741.45 × 109,812.30
  4. Step 4: Simplify right side
    346,445.70x = 57,074,004,029.84
  5. Step 5: Solve for x
    x = 57,074,004,029.84/346,445.70
  6. Step 6: Final answer
    x = 164,741.56

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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.