Home / 115,606.30-173,407.02-53,276.80

Finding the Fourth Proportional to 115,606.30, 173,407.02 and 53,276.80

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Solution

The fourth proportional to 115,606.30, 173,407.02 and 53,276.80 is: 79,914.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,606.30 : 173,407.02 = 53,276.80 : x
  2. Step 2: Convert to fraction form
    115,606.30/173,407.02 = 53,276.80/x
  3. Step 3: Cross multiply
    115,606.30x = 173,407.02 × 53,276.80
  4. Step 4: Simplify right side
    115,606.30x = 9,238,571,123.14
  5. Step 5: Solve for x
    x = 9,238,571,123.14/115,606.30
  6. Step 6: Final answer
    x = 79,914.08

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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.