Home / 212,648.32-293,455.41-117,154.79

Finding the Fourth Proportional to 212,648.32, 293,455.41 and 117,154.79

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Solution

The fourth proportional to 212,648.32, 293,455.41 and 117,154.79 is: 161,674.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,648.32 : 293,455.41 = 117,154.79 : x
  2. Step 2: Convert to fraction form
    212,648.32/293,455.41 = 117,154.79/x
  3. Step 3: Cross multiply
    212,648.32x = 293,455.41 × 117,154.79
  4. Step 4: Simplify right side
    212,648.32x = 34,379,706,126.76
  5. Step 5: Solve for x
    x = 34,379,706,126.76/212,648.32
  6. Step 6: Final answer
    x = 161,674.01

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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.