Home / 172,453.39-237,782.12-118,031.81

Finding the Fourth Proportional to 172,453.39, 237,782.12 and 118,031.81

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Solution

The fourth proportional to 172,453.39, 237,782.12 and 118,031.81 is: 162,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,453.39 : 237,782.12 = 118,031.81 : x
  2. Step 2: Convert to fraction form
    172,453.39/237,782.12 = 118,031.81/x
  3. Step 3: Cross multiply
    172,453.39x = 237,782.12 × 118,031.81
  4. Step 4: Simplify right side
    172,453.39x = 28,065,852,230.17
  5. Step 5: Solve for x
    x = 28,065,852,230.17/172,453.39
  6. Step 6: Final answer
    x = 162,744.57

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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.