Home / 165,328.47-248,009.18-52,980.53

Finding the Fourth Proportional to 165,328.47, 248,009.18 and 52,980.53

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Solution

The fourth proportional to 165,328.47, 248,009.18 and 52,980.53 is: 79,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,328.47 : 248,009.18 = 52,980.53 : x
  2. Step 2: Convert to fraction form
    165,328.47/248,009.18 = 52,980.53/x
  3. Step 3: Cross multiply
    165,328.47x = 248,009.18 × 52,980.53
  4. Step 4: Simplify right side
    165,328.47x = 13,139,656,296.32
  5. Step 5: Solve for x
    x = 13,139,656,296.32/165,328.47
  6. Step 6: Final answer
    x = 79,476.07

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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.