Home / 214,870.23-296,538.57-138,548.21

Finding the Fourth Proportional to 214,870.23, 296,538.57 and 138,548.21

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Solution

The fourth proportional to 214,870.23, 296,538.57 and 138,548.21 is: 191,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,870.23 : 296,538.57 = 138,548.21 : x
  2. Step 2: Convert to fraction form
    214,870.23/296,538.57 = 138,548.21/x
  3. Step 3: Cross multiply
    214,870.23x = 296,538.57 × 138,548.21
  4. Step 4: Simplify right side
    214,870.23x = 41,084,886,586.77
  5. Step 5: Solve for x
    x = 41,084,886,586.77/214,870.23
  6. Step 6: Final answer
    x = 191,207.91

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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.