Home / 122,530.40-183,795.60-48,658.40

Finding the Fourth Proportional to 122,530.40, 183,795.60 and 48,658.40

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Solution

The fourth proportional to 122,530.40, 183,795.60 and 48,658.40 is: 72,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,530.40 : 183,795.60 = 48,658.40 : x
  2. Step 2: Convert to fraction form
    122,530.40/183,795.60 = 48,658.40/x
  3. Step 3: Cross multiply
    122,530.40x = 183,795.60 × 48,658.40
  4. Step 4: Simplify right side
    122,530.40x = 8,943,199,823.04
  5. Step 5: Solve for x
    x = 8,943,199,823.04/122,530.40
  6. Step 6: Final answer
    x = 72,987.60

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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.