Home / 156,580.38-216,075.02-84,958.92

Finding the Fourth Proportional to 156,580.38, 216,075.02 and 84,958.92

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Solution

The fourth proportional to 156,580.38, 216,075.02 and 84,958.92 is: 117,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,580.38 : 216,075.02 = 84,958.92 : x
  2. Step 2: Convert to fraction form
    156,580.38/216,075.02 = 84,958.92/x
  3. Step 3: Cross multiply
    156,580.38x = 216,075.02 × 84,958.92
  4. Step 4: Simplify right side
    156,580.38x = 18,357,499,913.38
  5. Step 5: Solve for x
    x = 18,357,499,913.38/156,580.38
  6. Step 6: Final answer
    x = 117,240.10

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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.