Home / 169,210.19-253,636.68-56,783.81

Finding the Fourth Proportional to 169,210.19, 253,636.68 and 56,783.81

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Solution

The fourth proportional to 169,210.19, 253,636.68 and 56,783.81 is: 85,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,210.19 : 253,636.68 = 56,783.81 : x
  2. Step 2: Convert to fraction form
    169,210.19/253,636.68 = 56,783.81/x
  3. Step 3: Cross multiply
    169,210.19x = 253,636.68 × 56,783.81
  4. Step 4: Simplify right side
    169,210.19x = 14,402,457,046.15
  5. Step 5: Solve for x
    x = 14,402,457,046.15/169,210.19
  6. Step 6: Final answer
    x = 85,115.78

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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.