Home / 112,395.90-168,688.44-56,219.16

Finding the Fourth Proportional to 112,395.90, 168,688.44 and 56,219.16

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Solution

The fourth proportional to 112,395.90, 168,688.44 and 56,219.16 is: 84,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,395.90 : 168,688.44 = 56,219.16 : x
  2. Step 2: Convert to fraction form
    112,395.90/168,688.44 = 56,219.16/x
  3. Step 3: Cross multiply
    112,395.90x = 168,688.44 × 56,219.16
  4. Step 4: Simplify right side
    112,395.90x = 9,483,522,398.51
  5. Step 5: Solve for x
    x = 9,483,522,398.51/112,395.90
  6. Step 6: Final answer
    x = 84,376.05

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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.