Home / 212,153.43-292,772.78-116,666.31

Finding the Fourth Proportional to 212,153.43, 292,772.78 and 116,666.31

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Solution

The fourth proportional to 212,153.43, 292,772.78 and 116,666.31 is: 161,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,153.43 : 292,772.78 = 116,666.31 : x
  2. Step 2: Convert to fraction form
    212,153.43/292,772.78 = 116,666.31/x
  3. Step 3: Cross multiply
    212,153.43x = 292,772.78 × 116,666.31
  4. Step 4: Simplify right side
    212,153.43x = 34,156,719,327.71
  5. Step 5: Solve for x
    x = 34,156,719,327.71/212,153.43
  6. Step 6: Final answer
    x = 161,000.08

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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.