Home / 146,016.95-201,456.18-81,475.74

Finding the Fourth Proportional to 146,016.95, 201,456.18 and 81,475.74

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Solution

The fourth proportional to 146,016.95, 201,456.18 and 81,475.74 is: 112,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,016.95 : 201,456.18 = 81,475.74 : x
  2. Step 2: Convert to fraction form
    146,016.95/201,456.18 = 81,475.74/x
  3. Step 3: Cross multiply
    146,016.95x = 201,456.18 × 81,475.74
  4. Step 4: Simplify right side
    146,016.95x = 16,413,791,343.07
  5. Step 5: Solve for x
    x = 16,413,791,343.07/146,016.95
  6. Step 6: Final answer
    x = 112,410.18

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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.