Home / 163,719.38-245,579.16-51,399.10

Finding the Fourth Proportional to 163,719.38, 245,579.16 and 51,399.10

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Solution

The fourth proportional to 163,719.38, 245,579.16 and 51,399.10 is: 77,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,719.38 : 245,579.16 = 51,399.10 : x
  2. Step 2: Convert to fraction form
    163,719.38/245,579.16 = 51,399.10/x
  3. Step 3: Cross multiply
    163,719.38x = 245,579.16 × 51,399.10
  4. Step 4: Simplify right side
    163,719.38x = 12,622,547,802.76
  5. Step 5: Solve for x
    x = 12,622,547,802.76/163,719.38
  6. Step 6: Final answer
    x = 77,098.68

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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.