Home / 133,173.48-183,778.02-76,583.40

Finding the Fourth Proportional to 133,173.48, 183,778.02 and 76,583.40

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Solution

The fourth proportional to 133,173.48, 183,778.02 and 76,583.40 is: 105,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,173.48 : 183,778.02 = 76,583.40 : x
  2. Step 2: Convert to fraction form
    133,173.48/183,778.02 = 76,583.40/x
  3. Step 3: Cross multiply
    133,173.48x = 183,778.02 × 76,583.40
  4. Step 4: Simplify right side
    133,173.48x = 14,074,345,616.87
  5. Step 5: Solve for x
    x = 14,074,345,616.87/133,173.48
  6. Step 6: Final answer
    x = 105,684.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.