Home / 125,335.28-188,002.20-30,564.32

Finding the Fourth Proportional to 125,335.28, 188,002.20 and 30,564.32

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Solution

The fourth proportional to 125,335.28, 188,002.20 and 30,564.32 is: 45,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,335.28 : 188,002.20 = 30,564.32 : x
  2. Step 2: Convert to fraction form
    125,335.28/188,002.20 = 30,564.32/x
  3. Step 3: Cross multiply
    125,335.28x = 188,002.20 × 30,564.32
  4. Step 4: Simplify right side
    125,335.28x = 5,746,159,401.50
  5. Step 5: Solve for x
    x = 5,746,159,401.50/125,335.28
  6. Step 6: Final answer
    x = 45,846.30

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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.