Home / 130,890.60-196,335.90-113,783.40

Finding the Fourth Proportional to 130,890.60, 196,335.90 and 113,783.40

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Solution

The fourth proportional to 130,890.60, 196,335.90 and 113,783.40 is: 170,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,890.60 : 196,335.90 = 113,783.40 : x
  2. Step 2: Convert to fraction form
    130,890.60/196,335.90 = 113,783.40/x
  3. Step 3: Cross multiply
    130,890.60x = 196,335.90 × 113,783.40
  4. Step 4: Simplify right side
    130,890.60x = 22,339,766,244.06
  5. Step 5: Solve for x
    x = 22,339,766,244.06/130,890.60
  6. Step 6: Final answer
    x = 170,675.10

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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.