Home / 108,176.51-149,280.67-59,116.20

Finding the Fourth Proportional to 108,176.51, 149,280.67 and 59,116.20

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Solution

The fourth proportional to 108,176.51, 149,280.67 and 59,116.20 is: 81,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,176.51 : 149,280.67 = 59,116.20 : x
  2. Step 2: Convert to fraction form
    108,176.51/149,280.67 = 59,116.20/x
  3. Step 3: Cross multiply
    108,176.51x = 149,280.67 × 59,116.20
  4. Step 4: Simplify right side
    108,176.51x = 8,824,905,457.95
  5. Step 5: Solve for x
    x = 8,824,905,457.95/108,176.51
  6. Step 6: Final answer
    x = 81,578.76

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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.