Home / 346,645.12-519,965.28-97,327.36

Finding the Fourth Proportional to 346,645.12, 519,965.28 and 97,327.36

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Solution

The fourth proportional to 346,645.12, 519,965.28 and 97,327.36 is: 145,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,645.12 : 519,965.28 = 97,327.36 : x
  2. Step 2: Convert to fraction form
    346,645.12/519,965.28 = 97,327.36/x
  3. Step 3: Cross multiply
    346,645.12x = 519,965.28 × 97,327.36
  4. Step 4: Simplify right side
    346,645.12x = 50,606,847,994.06
  5. Step 5: Solve for x
    x = 50,606,847,994.06/346,645.12
  6. Step 6: Final answer
    x = 145,990.37

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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.