Home / 317,799.52-438,688.29-190,450.51

Finding the Fourth Proportional to 317,799.52, 438,688.29 and 190,450.51

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Solution

The fourth proportional to 317,799.52, 438,688.29 and 190,450.51 is: 262,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,799.52 : 438,688.29 = 190,450.51 : x
  2. Step 2: Convert to fraction form
    317,799.52/438,688.29 = 190,450.51/x
  3. Step 3: Cross multiply
    317,799.52x = 438,688.29 × 190,450.51
  4. Step 4: Simplify right side
    317,799.52x = 83,548,408,561.53
  5. Step 5: Solve for x
    x = 83,548,408,561.53/317,799.52
  6. Step 6: Final answer
    x = 262,896.59

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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.