Home / 115,182.28-172,823.34-56,069.32

Finding the Fourth Proportional to 115,182.28, 172,823.34 and 56,069.32

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Solution

The fourth proportional to 115,182.28, 172,823.34 and 56,069.32 is: 84,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,182.28 : 172,823.34 = 56,069.32 : x
  2. Step 2: Convert to fraction form
    115,182.28/172,823.34 = 56,069.32/x
  3. Step 3: Cross multiply
    115,182.28x = 172,823.34 × 56,069.32
  4. Step 4: Simplify right side
    115,182.28x = 9,690,087,153.93
  5. Step 5: Solve for x
    x = 9,690,087,153.93/115,182.28
  6. Step 6: Final answer
    x = 84,128.28

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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.