Home / 190,861.31-263,421.02-110,335.52

Finding the Fourth Proportional to 190,861.31, 263,421.02 and 110,335.52

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Solution

The fourth proportional to 190,861.31, 263,421.02 and 110,335.52 is: 152,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,861.31 : 263,421.02 = 110,335.52 : x
  2. Step 2: Convert to fraction form
    190,861.31/263,421.02 = 110,335.52/x
  3. Step 3: Cross multiply
    190,861.31x = 263,421.02 × 110,335.52
  4. Step 4: Simplify right side
    190,861.31x = 29,064,696,155.02
  5. Step 5: Solve for x
    x = 29,064,696,155.02/190,861.31
  6. Step 6: Final answer
    x = 152,281.76

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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.