Home / 346,259.07-520,301.90-186,453.15

Finding the Fourth Proportional to 346,259.07, 520,301.90 and 186,453.15

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Solution

The fourth proportional to 346,259.07, 520,301.90 and 186,453.15 is: 280,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,259.07 : 520,301.90 = 186,453.15 : x
  2. Step 2: Convert to fraction form
    346,259.07/520,301.90 = 186,453.15/x
  3. Step 3: Cross multiply
    346,259.07x = 520,301.90 × 186,453.15
  4. Step 4: Simplify right side
    346,259.07x = 97,011,928,205.99
  5. Step 5: Solve for x
    x = 97,011,928,205.99/346,259.07
  6. Step 6: Final answer
    x = 280,171.51

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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.