Home / 117,457.10-176,184.14-28,711.38

Finding the Fourth Proportional to 117,457.10, 176,184.14 and 28,711.38

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Solution

The fourth proportional to 117,457.10, 176,184.14 and 28,711.38 is: 43,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,457.10 : 176,184.14 = 28,711.38 : x
  2. Step 2: Convert to fraction form
    117,457.10/176,184.14 = 28,711.38/x
  3. Step 3: Cross multiply
    117,457.10x = 176,184.14 × 28,711.38
  4. Step 4: Simplify right side
    117,457.10x = 5,058,489,793.51
  5. Step 5: Solve for x
    x = 5,058,489,793.51/117,457.10
  6. Step 6: Final answer
    x = 43,066.70

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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.