Home / 212,522.10-293,281.35-127,640.58

Finding the Fourth Proportional to 212,522.10, 293,281.35 and 127,640.58

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Solution

The fourth proportional to 212,522.10, 293,281.35 and 127,640.58 is: 176,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,522.10 : 293,281.35 = 127,640.58 : x
  2. Step 2: Convert to fraction form
    212,522.10/293,281.35 = 127,640.58/x
  3. Step 3: Cross multiply
    212,522.10x = 293,281.35 × 127,640.58
  4. Step 4: Simplify right side
    212,522.10x = 37,434,601,617.18
  5. Step 5: Solve for x
    x = 37,434,601,617.18/212,522.10
  6. Step 6: Final answer
    x = 176,144.51

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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.