Home / 156,219.36-215,582.37-84,599.16

Finding the Fourth Proportional to 156,219.36, 215,582.37 and 84,599.16

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Solution

The fourth proportional to 156,219.36, 215,582.37 and 84,599.16 is: 116,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,219.36 : 215,582.37 = 84,599.16 : x
  2. Step 2: Convert to fraction form
    156,219.36/215,582.37 = 84,599.16/x
  3. Step 3: Cross multiply
    156,219.36x = 215,582.37 × 84,599.16
  4. Step 4: Simplify right side
    156,219.36x = 18,238,087,412.81
  5. Step 5: Solve for x
    x = 18,238,087,412.81/156,219.36
  6. Step 6: Final answer
    x = 116,746.65

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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.