Home / 122,023.60-183,065.40-42,062.80

Finding the Fourth Proportional to 122,023.60, 183,065.40 and 42,062.80

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Solution

The fourth proportional to 122,023.60, 183,065.40 and 42,062.80 is: 63,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,023.60 : 183,065.40 = 42,062.80 : x
  2. Step 2: Convert to fraction form
    122,023.60/183,065.40 = 42,062.80/x
  3. Step 3: Cross multiply
    122,023.60x = 183,065.40 × 42,062.80
  4. Step 4: Simplify right side
    122,023.60x = 7,700,243,307.12
  5. Step 5: Solve for x
    x = 7,700,243,307.12/122,023.60
  6. Step 6: Final answer
    x = 63,104.54

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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.