Home / 212,721.40-293,554.14-117,228.16

Finding the Fourth Proportional to 212,721.40, 293,554.14 and 117,228.16

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Solution

The fourth proportional to 212,721.40, 293,554.14 and 117,228.16 is: 161,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,721.40 : 293,554.14 = 117,228.16 : x
  2. Step 2: Convert to fraction form
    212,721.40/293,554.14 = 117,228.16/x
  3. Step 3: Cross multiply
    212,721.40x = 293,554.14 × 117,228.16
  4. Step 4: Simplify right side
    212,721.40x = 34,412,811,692.58
  5. Step 5: Solve for x
    x = 34,412,811,692.58/212,721.40
  6. Step 6: Final answer
    x = 161,774.09

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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.