Home / 113,200.63-156,206.70-62,212.80

Finding the Fourth Proportional to 113,200.63, 156,206.70 and 62,212.80

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Solution

The fourth proportional to 113,200.63, 156,206.70 and 62,212.80 is: 85,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,200.63 : 156,206.70 = 62,212.80 : x
  2. Step 2: Convert to fraction form
    113,200.63/156,206.70 = 62,212.80/x
  3. Step 3: Cross multiply
    113,200.63x = 156,206.70 × 62,212.80
  4. Step 4: Simplify right side
    113,200.63x = 9,718,056,185.76
  5. Step 5: Solve for x
    x = 9,718,056,185.76/113,200.63
  6. Step 6: Final answer
    x = 85,848.08

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1.5x scale

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.