Home / 212,243.76-292,897.08-116,757.72

Finding the Fourth Proportional to 212,243.76, 292,897.08 and 116,757.72

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Solution

The fourth proportional to 212,243.76, 292,897.08 and 116,757.72 is: 161,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,243.76 : 292,897.08 = 116,757.72 : x
  2. Step 2: Convert to fraction form
    212,243.76/292,897.08 = 116,757.72/x
  3. Step 3: Cross multiply
    212,243.76x = 292,897.08 × 116,757.72
  4. Step 4: Simplify right side
    212,243.76x = 34,197,995,255.46
  5. Step 5: Solve for x
    x = 34,197,995,255.46/212,243.76
  6. Step 6: Final answer
    x = 161,126.03

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1.5x scale

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.