Home / 212,153.18-292,772.43-116,666.06

Finding the Fourth Proportional to 212,153.18, 292,772.43 and 116,666.06

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Solution

The fourth proportional to 212,153.18, 292,772.43 and 116,666.06 is: 160,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,153.18 : 292,772.43 = 116,666.06 : x
  2. Step 2: Convert to fraction form
    212,153.18/292,772.43 = 116,666.06/x
  3. Step 3: Cross multiply
    212,153.18x = 292,772.43 × 116,666.06
  4. Step 4: Simplify right side
    212,153.18x = 34,156,605,884.73
  5. Step 5: Solve for x
    x = 34,156,605,884.73/212,153.18
  6. Step 6: Final answer
    x = 160,999.74

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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.