Home / 317,766.35-438,334.51-190,368.14

Finding the Fourth Proportional to 317,766.35, 438,334.51 and 190,368.14

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Solution

The fourth proportional to 317,766.35, 438,334.51 and 190,368.14 is: 262,598.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,766.35 : 438,334.51 = 190,368.14 : x
  2. Step 2: Convert to fraction form
    317,766.35/438,334.51 = 190,368.14/x
  3. Step 3: Cross multiply
    317,766.35x = 438,334.51 × 190,368.14
  4. Step 4: Simplify right side
    317,766.35x = 83,444,922,698.92
  5. Step 5: Solve for x
    x = 83,444,922,698.92/317,766.35
  6. Step 6: Final answer
    x = 262,598.36

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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.