Home / 212,154.78-292,762.71-116,659.02

Finding the Fourth Proportional to 212,154.78, 292,762.71 and 116,659.02

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Solution

The fourth proportional to 212,154.78, 292,762.71 and 116,659.02 is: 160,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,154.78 : 292,762.71 = 116,659.02 : x
  2. Step 2: Convert to fraction form
    212,154.78/292,762.71 = 116,659.02/x
  3. Step 3: Cross multiply
    212,154.78x = 292,762.71 × 116,659.02
  4. Step 4: Simplify right side
    212,154.78x = 34,153,410,841.14
  5. Step 5: Solve for x
    x = 34,153,410,841.14/212,154.78
  6. Step 6: Final answer
    x = 160,983.46

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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.