Home / 118,083.12-176,341.98-103,775.28

Finding the Fourth Proportional to 118,083.12, 176,341.98 and 103,775.28

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Solution

The fourth proportional to 118,083.12, 176,341.98 and 103,775.28 is: 154,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,083.12 : 176,341.98 = 103,775.28 : x
  2. Step 2: Convert to fraction form
    118,083.12/176,341.98 = 103,775.28/x
  3. Step 3: Cross multiply
    118,083.12x = 176,341.98 × 103,775.28
  4. Step 4: Simplify right side
    118,083.12x = 18,299,938,350.25
  5. Step 5: Solve for x
    x = 18,299,938,350.25/118,083.12
  6. Step 6: Final answer
    x = 154,975.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.