Home / 212,255.34-292,905.18-116,761.20

Finding the Fourth Proportional to 212,255.34, 292,905.18 and 116,761.20

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Solution

The fourth proportional to 212,255.34, 292,905.18 and 116,761.20 is: 161,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,255.34 : 292,905.18 = 116,761.20 : x
  2. Step 2: Convert to fraction form
    212,255.34/292,905.18 = 116,761.20/x
  3. Step 3: Cross multiply
    212,255.34x = 292,905.18 × 116,761.20
  4. Step 4: Simplify right side
    212,255.34x = 34,199,960,303.02
  5. Step 5: Solve for x
    x = 34,199,960,303.02/212,255.34
  6. Step 6: Final answer
    x = 161,126.50

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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.