Home / 115,151.00-172,516.05-83,482.56

Finding the Fourth Proportional to 115,151.00, 172,516.05 and 83,482.56

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Solution

The fourth proportional to 115,151.00, 172,516.05 and 83,482.56 is: 125,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,151.00 : 172,516.05 = 83,482.56 : x
  2. Step 2: Convert to fraction form
    115,151.00/172,516.05 = 83,482.56/x
  3. Step 3: Cross multiply
    115,151.00x = 172,516.05 × 83,482.56
  4. Step 4: Simplify right side
    115,151.00x = 14,402,081,495.09
  5. Step 5: Solve for x
    x = 14,402,081,495.09/115,151.00
  6. Step 6: Final answer
    x = 125,071.27

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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.