Home / 156,673.02-216,208.78-85,052.94

Finding the Fourth Proportional to 156,673.02, 216,208.78 and 85,052.94

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Solution

The fourth proportional to 156,673.02, 216,208.78 and 85,052.94 is: 117,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,673.02 : 216,208.78 = 85,052.94 : x
  2. Step 2: Convert to fraction form
    156,673.02/216,208.78 = 85,052.94/x
  3. Step 3: Cross multiply
    156,673.02x = 216,208.78 × 85,052.94
  4. Step 4: Simplify right side
    156,673.02x = 18,389,192,392.81
  5. Step 5: Solve for x
    x = 18,389,192,392.81/156,673.02
  6. Step 6: Final answer
    x = 117,373.06

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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.