Home / 162,395.10-243,592.65-117,812.70

Finding the Fourth Proportional to 162,395.10, 243,592.65 and 117,812.70

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Solution

The fourth proportional to 162,395.10, 243,592.65 and 117,812.70 is: 176,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,395.10 : 243,592.65 = 117,812.70 : x
  2. Step 2: Convert to fraction form
    162,395.10/243,592.65 = 117,812.70/x
  3. Step 3: Cross multiply
    162,395.10x = 243,592.65 × 117,812.70
  4. Step 4: Simplify right side
    162,395.10x = 28,698,307,796.66
  5. Step 5: Solve for x
    x = 28,698,307,796.66/162,395.10
  6. Step 6: Final answer
    x = 176,719.05

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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.