Home / 172,210.74-237,653.64-94,689.66

Finding the Fourth Proportional to 172,210.74, 237,653.64 and 94,689.66

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Solution

The fourth proportional to 172,210.74, 237,653.64 and 94,689.66 is: 130,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,210.74 : 237,653.64 = 94,689.66 : x
  2. Step 2: Convert to fraction form
    172,210.74/237,653.64 = 94,689.66/x
  3. Step 3: Cross multiply
    172,210.74x = 237,653.64 × 94,689.66
  4. Step 4: Simplify right side
    172,210.74x = 22,503,342,369.36
  5. Step 5: Solve for x
    x = 22,503,342,369.36/172,210.74
  6. Step 6: Final answer
    x = 130,673.28

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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.