Home / 116,307.20-174,518.40-66,425.60

Finding the Fourth Proportional to 116,307.20, 174,518.40 and 66,425.60

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Solution

The fourth proportional to 116,307.20, 174,518.40 and 66,425.60 is: 99,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,307.20 : 174,518.40 = 66,425.60 : x
  2. Step 2: Convert to fraction form
    116,307.20/174,518.40 = 66,425.60/x
  3. Step 3: Cross multiply
    116,307.20x = 174,518.40 × 66,425.60
  4. Step 4: Simplify right side
    116,307.20x = 11,592,489,431.04
  5. Step 5: Solve for x
    x = 11,592,489,431.04/116,307.20
  6. Step 6: Final answer
    x = 99,671.30

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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.