Home / 301,971.85-453,014.93-99,579.58

Finding the Fourth Proportional to 301,971.85, 453,014.93 and 99,579.58

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Solution

The fourth proportional to 301,971.85, 453,014.93 and 99,579.58 is: 149,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,971.85 : 453,014.93 = 99,579.58 : x
  2. Step 2: Convert to fraction form
    301,971.85/453,014.93 = 99,579.58/x
  3. Step 3: Cross multiply
    301,971.85x = 453,014.93 × 99,579.58
  4. Step 4: Simplify right side
    301,971.85x = 45,111,036,463.13
  5. Step 5: Solve for x
    x = 45,111,036,463.13/301,971.85
  6. Step 6: Final answer
    x = 149,388.22

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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.