Home / 170,038.80-255,155.40-64,933.20

Finding the Fourth Proportional to 170,038.80, 255,155.40 and 64,933.20

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Solution

The fourth proportional to 170,038.80, 255,155.40 and 64,933.20 is: 97,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,038.80 : 255,155.40 = 64,933.20 : x
  2. Step 2: Convert to fraction form
    170,038.80/255,155.40 = 64,933.20/x
  3. Step 3: Cross multiply
    170,038.80x = 255,155.40 × 64,933.20
  4. Step 4: Simplify right side
    170,038.80x = 16,568,056,619.28
  5. Step 5: Solve for x
    x = 16,568,056,619.28/170,038.80
  6. Step 6: Final answer
    x = 97,436.92

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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.