Home / 152,665.92-210,630.24-92,259.36

Finding the Fourth Proportional to 152,665.92, 210,630.24 and 92,259.36

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Solution

The fourth proportional to 152,665.92, 210,630.24 and 92,259.36 is: 127,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,665.92 : 210,630.24 = 92,259.36 : x
  2. Step 2: Convert to fraction form
    152,665.92/210,630.24 = 92,259.36/x
  3. Step 3: Cross multiply
    152,665.92x = 210,630.24 × 92,259.36
  4. Step 4: Simplify right side
    152,665.92x = 19,432,611,139.05
  5. Step 5: Solve for x
    x = 19,432,611,139.05/152,665.92
  6. Step 6: Final answer
    x = 127,288.47

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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.