Home / 117,176.36-161,702.51-63,460.13

Finding the Fourth Proportional to 117,176.36, 161,702.51 and 63,460.13

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Solution

The fourth proportional to 117,176.36, 161,702.51 and 63,460.13 is: 87,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,176.36 : 161,702.51 = 63,460.13 : x
  2. Step 2: Convert to fraction form
    117,176.36/161,702.51 = 63,460.13/x
  3. Step 3: Cross multiply
    117,176.36x = 161,702.51 × 63,460.13
  4. Step 4: Simplify right side
    117,176.36x = 10,261,661,180.11
  5. Step 5: Solve for x
    x = 10,261,661,180.11/117,176.36
  6. Step 6: Final answer
    x = 87,574.50

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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.