Home / 172,435.15-237,825.69-112,025.25

Finding the Fourth Proportional to 172,435.15, 237,825.69 and 112,025.25

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Solution

The fourth proportional to 172,435.15, 237,825.69 and 112,025.25 is: 154,507.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,435.15 : 237,825.69 = 112,025.25 : x
  2. Step 2: Convert to fraction form
    172,435.15/237,825.69 = 112,025.25/x
  3. Step 3: Cross multiply
    172,435.15x = 237,825.69 × 112,025.25
  4. Step 4: Simplify right side
    172,435.15x = 26,642,482,378.67
  5. Step 5: Solve for x
    x = 26,642,482,378.67/172,435.15
  6. Step 6: Final answer
    x = 154,507.26

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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.