Home / 261,947.96-392,592.98-112,012.12

Finding the Fourth Proportional to 261,947.96, 392,592.98 and 112,012.12

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Solution

The fourth proportional to 261,947.96, 392,592.98 and 112,012.12 is: 167,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,947.96 : 392,592.98 = 112,012.12 : x
  2. Step 2: Convert to fraction form
    261,947.96/392,592.98 = 112,012.12/x
  3. Step 3: Cross multiply
    261,947.96x = 392,592.98 × 112,012.12
  4. Step 4: Simplify right side
    261,947.96x = 43,975,171,986.92
  5. Step 5: Solve for x
    x = 43,975,171,986.92/261,947.96
  6. Step 6: Final answer
    x = 167,877.51

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1.5x scale

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.