Home / 152,289.76-210,255.18-97,863.96

Finding the Fourth Proportional to 152,289.76, 210,255.18 and 97,863.96

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Solution

The fourth proportional to 152,289.76, 210,255.18 and 97,863.96 is: 135,113.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,289.76 : 210,255.18 = 97,863.96 : x
  2. Step 2: Convert to fraction form
    152,289.76/210,255.18 = 97,863.96/x
  3. Step 3: Cross multiply
    152,289.76x = 210,255.18 × 97,863.96
  4. Step 4: Simplify right side
    152,289.76x = 20,576,404,525.31
  5. Step 5: Solve for x
    x = 20,576,404,525.31/152,289.76
  6. Step 6: Final answer
    x = 135,113.51

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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.