Home / 351,012.96-484,398.23-189,867.51

Finding the Fourth Proportional to 351,012.96, 484,398.23 and 189,867.51

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Solution

The fourth proportional to 351,012.96, 484,398.23 and 189,867.51 is: 262,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,012.96 : 484,398.23 = 189,867.51 : x
  2. Step 2: Convert to fraction form
    351,012.96/484,398.23 = 189,867.51/x
  3. Step 3: Cross multiply
    351,012.96x = 484,398.23 × 189,867.51
  4. Step 4: Simplify right side
    351,012.96x = 91,971,484,829.17
  5. Step 5: Solve for x
    x = 91,971,484,829.17/351,012.96
  6. Step 6: Final answer
    x = 262,017.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.