Home / 176,178.02-243,137.63-99,697.14

Finding the Fourth Proportional to 176,178.02, 243,137.63 and 99,697.14

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Solution

The fourth proportional to 176,178.02, 243,137.63 and 99,697.14 is: 137,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,178.02 : 243,137.63 = 99,697.14 : x
  2. Step 2: Convert to fraction form
    176,178.02/243,137.63 = 99,697.14/x
  3. Step 3: Cross multiply
    176,178.02x = 243,137.63 × 99,697.14
  4. Step 4: Simplify right side
    176,178.02x = 24,240,126,586.62
  5. Step 5: Solve for x
    x = 24,240,126,586.62/176,178.02
  6. Step 6: Final answer
    x = 137,588.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.