Home / 147,710.20-221,604.18-42,537.64

Finding the Fourth Proportional to 147,710.20, 221,604.18 and 42,537.64

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Solution

The fourth proportional to 147,710.20, 221,604.18 and 42,537.64 is: 63,817.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,710.20 : 221,604.18 = 42,537.64 : x
  2. Step 2: Convert to fraction form
    147,710.20/221,604.18 = 42,537.64/x
  3. Step 3: Cross multiply
    147,710.20x = 221,604.18 × 42,537.64
  4. Step 4: Simplify right side
    147,710.20x = 9,426,518,831.34
  5. Step 5: Solve for x
    x = 9,426,518,831.34/147,710.20
  6. Step 6: Final answer
    x = 63,817.66

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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.