Home / 317,968.10-438,700.29-190,597.22

Finding the Fourth Proportional to 317,968.10, 438,700.29 and 190,597.22

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Solution

The fourth proportional to 317,968.10, 438,700.29 and 190,597.22 is: 262,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,968.10 : 438,700.29 = 190,597.22 : x
  2. Step 2: Convert to fraction form
    317,968.10/438,700.29 = 190,597.22/x
  3. Step 3: Cross multiply
    317,968.10x = 438,700.29 × 190,597.22
  4. Step 4: Simplify right side
    317,968.10x = 83,615,055,687.19
  5. Step 5: Solve for x
    x = 83,615,055,687.19/317,968.10
  6. Step 6: Final answer
    x = 262,966.81

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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.