Home / 116,829.60-175,244.40-66,890.40

Finding the Fourth Proportional to 116,829.60, 175,244.40 and 66,890.40

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Solution

The fourth proportional to 116,829.60, 175,244.40 and 66,890.40 is: 100,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,829.60 : 175,244.40 = 66,890.40 : x
  2. Step 2: Convert to fraction form
    116,829.60/175,244.40 = 66,890.40/x
  3. Step 3: Cross multiply
    116,829.60x = 175,244.40 × 66,890.40
  4. Step 4: Simplify right side
    116,829.60x = 11,722,168,013.76
  5. Step 5: Solve for x
    x = 11,722,168,013.76/116,829.60
  6. Step 6: Final answer
    x = 100,335.60

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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.