Home / 152,511.40-210,540.18-101,554.30

Finding the Fourth Proportional to 152,511.40, 210,540.18 and 101,554.30

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Solution

The fourth proportional to 152,511.40, 210,540.18 and 101,554.30 is: 140,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,511.40 : 210,540.18 = 101,554.30 : x
  2. Step 2: Convert to fraction form
    152,511.40/210,540.18 = 101,554.30/x
  3. Step 3: Cross multiply
    152,511.40x = 210,540.18 × 101,554.30
  4. Step 4: Simplify right side
    152,511.40x = 21,381,260,601.77
  5. Step 5: Solve for x
    x = 21,381,260,601.77/152,511.40
  6. Step 6: Final answer
    x = 140,194.51

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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.