Home / 133,064.08-183,601.02-76,464.52

Finding the Fourth Proportional to 133,064.08, 183,601.02 and 76,464.52

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Solution

The fourth proportional to 133,064.08, 183,601.02 and 76,464.52 is: 105,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,064.08 : 183,601.02 = 76,464.52 : x
  2. Step 2: Convert to fraction form
    133,064.08/183,601.02 = 76,464.52/x
  3. Step 3: Cross multiply
    133,064.08x = 183,601.02 × 76,464.52
  4. Step 4: Simplify right side
    133,064.08x = 14,038,963,865.81
  5. Step 5: Solve for x
    x = 14,038,963,865.81/133,064.08
  6. Step 6: Final answer
    x = 105,505.29

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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.