Home / 317,771.36-438,341.40-190,373.14

Finding the Fourth Proportional to 317,771.36, 438,341.40 and 190,373.14

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Solution

The fourth proportional to 317,771.36, 438,341.40 and 190,373.14 is: 262,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,771.36 : 438,341.40 = 190,373.14 : x
  2. Step 2: Convert to fraction form
    317,771.36/438,341.40 = 190,373.14/x
  3. Step 3: Cross multiply
    317,771.36x = 438,341.40 × 190,373.14
  4. Step 4: Simplify right side
    317,771.36x = 83,448,428,710.00
  5. Step 5: Solve for x
    x = 83,448,428,710.00/317,771.36
  6. Step 6: Final answer
    x = 262,605.25

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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.