Home / 117,140.46-161,653.14-63,424.36

Finding the Fourth Proportional to 117,140.46, 161,653.14 and 63,424.36

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Solution

The fourth proportional to 117,140.46, 161,653.14 and 63,424.36 is: 87,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,140.46 : 161,653.14 = 63,424.36 : x
  2. Step 2: Convert to fraction form
    117,140.46/161,653.14 = 63,424.36/x
  3. Step 3: Cross multiply
    117,140.46x = 161,653.14 × 63,424.36
  4. Step 4: Simplify right side
    117,140.46x = 10,252,746,946.49
  5. Step 5: Solve for x
    x = 10,252,746,946.49/117,140.46
  6. Step 6: Final answer
    x = 87,525.24

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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.