Home / 147,587.32-221,358.88-40,960.03

Finding the Fourth Proportional to 147,587.32, 221,358.88 and 40,960.03

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Solution

The fourth proportional to 147,587.32, 221,358.88 and 40,960.03 is: 61,433.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,587.32 : 221,358.88 = 40,960.03 : x
  2. Step 2: Convert to fraction form
    147,587.32/221,358.88 = 40,960.03/x
  3. Step 3: Cross multiply
    147,587.32x = 221,358.88 × 40,960.03
  4. Step 4: Simplify right side
    147,587.32x = 9,066,866,048.02
  5. Step 5: Solve for x
    x = 9,066,866,048.02/147,587.32
  6. Step 6: Final answer
    x = 61,433.91

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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.