Home / 325,430.22-488,131.06-88,772.12

Finding the Fourth Proportional to 325,430.22, 488,131.06 and 88,772.12

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Solution

The fourth proportional to 325,430.22, 488,131.06 and 88,772.12 is: 133,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,430.22 : 488,131.06 = 88,772.12 : x
  2. Step 2: Convert to fraction form
    325,430.22/488,131.06 = 88,772.12/x
  3. Step 3: Cross multiply
    325,430.22x = 488,131.06 × 88,772.12
  4. Step 4: Simplify right side
    325,430.22x = 43,332,428,368.40
  5. Step 5: Solve for x
    x = 43,332,428,368.40/325,430.22
  6. Step 6: Final answer
    x = 133,154.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.