Home / 245,313.16-368,112.50-103,148.13

Finding the Fourth Proportional to 245,313.16, 368,112.50 and 103,148.13

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Solution

The fourth proportional to 245,313.16, 368,112.50 and 103,148.13 is: 154,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,313.16 : 368,112.50 = 103,148.13 : x
  2. Step 2: Convert to fraction form
    245,313.16/368,112.50 = 103,148.13/x
  3. Step 3: Cross multiply
    245,313.16x = 368,112.50 × 103,148.13
  4. Step 4: Simplify right side
    245,313.16x = 37,970,117,256.11
  5. Step 5: Solve for x
    x = 37,970,117,256.11/245,313.16
  6. Step 6: Final answer
    x = 154,782.23

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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.