Home / 255,390.20-352,438.48-148,022.51

Finding the Fourth Proportional to 255,390.20, 352,438.48 and 148,022.51

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Solution

The fourth proportional to 255,390.20, 352,438.48 and 148,022.51 is: 204,271.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,390.20 : 352,438.48 = 148,022.51 : x
  2. Step 2: Convert to fraction form
    255,390.20/352,438.48 = 148,022.51/x
  3. Step 3: Cross multiply
    255,390.20x = 352,438.48 × 148,022.51
  4. Step 4: Simplify right side
    255,390.20x = 52,168,828,430.18
  5. Step 5: Solve for x
    x = 52,168,828,430.18/255,390.20
  6. Step 6: Final answer
    x = 204,271.07

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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.