Home / 113,213.60-169,820.40-46,631.60

Finding the Fourth Proportional to 113,213.60, 169,820.40 and 46,631.60

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Solution

The fourth proportional to 113,213.60, 169,820.40 and 46,631.60 is: 69,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,213.60 : 169,820.40 = 46,631.60 : x
  2. Step 2: Convert to fraction form
    113,213.60/169,820.40 = 46,631.60/x
  3. Step 3: Cross multiply
    113,213.60x = 169,820.40 × 46,631.60
  4. Step 4: Simplify right side
    113,213.60x = 7,918,996,964.64
  5. Step 5: Solve for x
    x = 7,918,996,964.64/113,213.60
  6. Step 6: Final answer
    x = 69,947.40

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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.