Home / 245,528.63-338,828.18-138,096.35

Finding the Fourth Proportional to 245,528.63, 338,828.18 and 138,096.35

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Solution

The fourth proportional to 245,528.63, 338,828.18 and 138,096.35 is: 190,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,528.63 : 338,828.18 = 138,096.35 : x
  2. Step 2: Convert to fraction form
    245,528.63/338,828.18 = 138,096.35/x
  3. Step 3: Cross multiply
    245,528.63x = 338,828.18 × 138,096.35
  4. Step 4: Simplify right side
    245,528.63x = 46,790,934,935.14
  5. Step 5: Solve for x
    x = 46,790,934,935.14/245,528.63
  6. Step 6: Final answer
    x = 190,572.22

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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.