Home / 354,541.09-531,816.27-117,883.77

Finding the Fourth Proportional to 354,541.09, 531,816.27 and 117,883.77

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Solution

The fourth proportional to 354,541.09, 531,816.27 and 117,883.77 is: 176,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,541.09 : 531,816.27 = 117,883.77 : x
  2. Step 2: Convert to fraction form
    354,541.09/531,816.27 = 117,883.77/x
  3. Step 3: Cross multiply
    354,541.09x = 531,816.27 × 117,883.77
  4. Step 4: Simplify right side
    354,541.09x = 62,692,506,412.87
  5. Step 5: Solve for x
    x = 62,692,506,412.87/354,541.09
  6. Step 6: Final answer
    x = 176,827.20

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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.