Home / 146,232.51-201,800.85-81,701.76

Finding the Fourth Proportional to 146,232.51, 201,800.85 and 81,701.76

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Solution

The fourth proportional to 146,232.51, 201,800.85 and 81,701.76 is: 112,748.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,232.51 : 201,800.85 = 81,701.76 : x
  2. Step 2: Convert to fraction form
    146,232.51/201,800.85 = 81,701.76/x
  3. Step 3: Cross multiply
    146,232.51x = 201,800.85 × 81,701.76
  4. Step 4: Simplify right side
    146,232.51x = 16,487,484,614.50
  5. Step 5: Solve for x
    x = 16,487,484,614.50/146,232.51
  6. Step 6: Final answer
    x = 112,748.42

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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.