Home / 317,771.60-438,527.40-174,533.36

Finding the Fourth Proportional to 317,771.60, 438,527.40 and 174,533.36

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Solution

The fourth proportional to 317,771.60, 438,527.40 and 174,533.36 is: 240,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,771.60 : 438,527.40 = 174,533.36 : x
  2. Step 2: Convert to fraction form
    317,771.60/438,527.40 = 174,533.36/x
  3. Step 3: Cross multiply
    317,771.60x = 438,527.40 × 174,533.36
  4. Step 4: Simplify right side
    317,771.60x = 76,537,660,574.06
  5. Step 5: Solve for x
    x = 76,537,660,574.06/317,771.60
  6. Step 6: Final answer
    x = 240,857.46

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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.