Home / 165,501.72-248,312.52-102,248.01

Finding the Fourth Proportional to 165,501.72, 248,312.52 and 102,248.01

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Solution

The fourth proportional to 165,501.72, 248,312.52 and 102,248.01 is: 153,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,501.72 : 248,312.52 = 102,248.01 : x
  2. Step 2: Convert to fraction form
    165,501.72/248,312.52 = 102,248.01/x
  3. Step 3: Cross multiply
    165,501.72x = 248,312.52 × 102,248.01
  4. Step 4: Simplify right side
    165,501.72x = 25,389,461,028.09
  5. Step 5: Solve for x
    x = 25,389,461,028.09/165,501.72
  6. Step 6: Final answer
    x = 153,409.05

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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.