Home / 118,175.47-163,052.63-72,223.36

Finding the Fourth Proportional to 118,175.47, 163,052.63 and 72,223.36

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Solution

The fourth proportional to 118,175.47, 163,052.63 and 72,223.36 is: 99,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,175.47 : 163,052.63 = 72,223.36 : x
  2. Step 2: Convert to fraction form
    118,175.47/163,052.63 = 72,223.36/x
  3. Step 3: Cross multiply
    118,175.47x = 163,052.63 × 72,223.36
  4. Step 4: Simplify right side
    118,175.47x = 11,776,208,026.69
  5. Step 5: Solve for x
    x = 11,776,208,026.69/118,175.47
  6. Step 6: Final answer
    x = 99,650.19

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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.