Home / 108,218.36-149,341.80-59,160.98

Finding the Fourth Proportional to 108,218.36, 149,341.80 and 59,160.98

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Solution

The fourth proportional to 108,218.36, 149,341.80 and 59,160.98 is: 81,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,218.36 : 149,341.80 = 59,160.98 : x
  2. Step 2: Convert to fraction form
    108,218.36/149,341.80 = 59,160.98/x
  3. Step 3: Cross multiply
    108,218.36x = 149,341.80 × 59,160.98
  4. Step 4: Simplify right side
    108,218.36x = 8,835,207,838.17
  5. Step 5: Solve for x
    x = 8,835,207,838.17/108,218.36
  6. Step 6: Final answer
    x = 81,642.41

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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.