Home / 317,536.58-438,216-174,295.10

Finding the Fourth Proportional to 317,536.58, 438,216 and 174,295.10

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Solution

The fourth proportional to 317,536.58, 438,216 and 174,295.10 is: 240,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,536.58 : 438,216 = 174,295.10 : x
  2. Step 2: Convert to fraction form
    317,536.58/438,216 = 174,295.10/x
  3. Step 3: Cross multiply
    317,536.58x = 438,216 × 174,295.10
  4. Step 4: Simplify right side
    317,536.58x = 76,378,901,541.60
  5. Step 5: Solve for x
    x = 76,378,901,541.60/317,536.58
  6. Step 6: Final answer
    x = 240,535.76

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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.