Home / 346,313.20-519,518.40-109,631.20

Finding the Fourth Proportional to 346,313.20, 519,518.40 and 109,631.20

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Solution

The fourth proportional to 346,313.20, 519,518.40 and 109,631.20 is: 164,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,313.20 : 519,518.40 = 109,631.20 : x
  2. Step 2: Convert to fraction form
    346,313.20/519,518.40 = 109,631.20/x
  3. Step 3: Cross multiply
    346,313.20x = 519,518.40 × 109,631.20
  4. Step 4: Simplify right side
    346,313.20x = 56,955,425,614.08
  5. Step 5: Solve for x
    x = 56,955,425,614.08/346,313.20
  6. Step 6: Final answer
    x = 164,462.19

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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.