Home / 161,968.32-242,953.92-56,787.12

Finding the Fourth Proportional to 161,968.32, 242,953.92 and 56,787.12

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Solution

The fourth proportional to 161,968.32, 242,953.92 and 56,787.12 is: 85,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,968.32 : 242,953.92 = 56,787.12 : x
  2. Step 2: Convert to fraction form
    161,968.32/242,953.92 = 56,787.12/x
  3. Step 3: Cross multiply
    161,968.32x = 242,953.92 × 56,787.12
  4. Step 4: Simplify right side
    161,968.32x = 13,796,653,409.51
  5. Step 5: Solve for x
    x = 13,796,653,409.51/161,968.32
  6. Step 6: Final answer
    x = 85,181.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.