Home / 97,549.20-146,308.80-30,980.64

Finding the Fourth Proportional to 97,549.20, 146,308.80 and 30,980.64

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Solution

The fourth proportional to 97,549.20, 146,308.80 and 30,980.64 is: 46,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,549.20 : 146,308.80 = 30,980.64 : x
  2. Step 2: Convert to fraction form
    97,549.20/146,308.80 = 30,980.64/x
  3. Step 3: Cross multiply
    97,549.20x = 146,308.80 × 30,980.64
  4. Step 4: Simplify right side
    97,549.20x = 4,532,740,261.63
  5. Step 5: Solve for x
    x = 4,532,740,261.63/97,549.20
  6. Step 6: Final answer
    x = 46,466.20

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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.