Home / 245,319.18-368,121.48-103,154.16

Finding the Fourth Proportional to 245,319.18, 368,121.48 and 103,154.16

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Solution

The fourth proportional to 245,319.18, 368,121.48 and 103,154.16 is: 154,791.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,319.18 : 368,121.48 = 103,154.16 : x
  2. Step 2: Convert to fraction form
    245,319.18/368,121.48 = 103,154.16/x
  3. Step 3: Cross multiply
    245,319.18x = 368,121.48 × 103,154.16
  4. Step 4: Simplify right side
    245,319.18x = 37,973,262,047.36
  5. Step 5: Solve for x
    x = 37,973,262,047.36/245,319.18
  6. Step 6: Final answer
    x = 154,791.25

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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.