Home / 118,048.70-177,090.48-42,141.35

Finding the Fourth Proportional to 118,048.70, 177,090.48 and 42,141.35

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Solution

The fourth proportional to 118,048.70, 177,090.48 and 42,141.35 is: 63,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,048.70 : 177,090.48 = 42,141.35 : x
  2. Step 2: Convert to fraction form
    118,048.70/177,090.48 = 42,141.35/x
  3. Step 3: Cross multiply
    118,048.70x = 177,090.48 × 42,141.35
  4. Step 4: Simplify right side
    118,048.70x = 7,462,831,013.90
  5. Step 5: Solve for x
    x = 7,462,831,013.90/118,048.70
  6. Step 6: Final answer
    x = 63,218.24

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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.