Home / 140,931.04-211,228.08-107,390.56

Finding the Fourth Proportional to 140,931.04, 211,228.08 and 107,390.56

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Solution

The fourth proportional to 140,931.04, 211,228.08 and 107,390.56 is: 160,957.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,931.04 : 211,228.08 = 107,390.56 : x
  2. Step 2: Convert to fraction form
    140,931.04/211,228.08 = 107,390.56/x
  3. Step 3: Cross multiply
    140,931.04x = 211,228.08 × 107,390.56
  4. Step 4: Simplify right side
    140,931.04x = 22,683,901,798.92
  5. Step 5: Solve for x
    x = 22,683,901,798.92/140,931.04
  6. Step 6: Final answer
    x = 160,957.46

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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.