Home / 162,332.99-243,368.36-67,634.50

Finding the Fourth Proportional to 162,332.99, 243,368.36 and 67,634.50

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Solution

The fourth proportional to 162,332.99, 243,368.36 and 67,634.50 is: 101,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,332.99 : 243,368.36 = 67,634.50 : x
  2. Step 2: Convert to fraction form
    162,332.99/243,368.36 = 67,634.50/x
  3. Step 3: Cross multiply
    162,332.99x = 243,368.36 × 67,634.50
  4. Step 4: Simplify right side
    162,332.99x = 16,460,096,651.46
  5. Step 5: Solve for x
    x = 16,460,096,651.46/162,332.99
  6. Step 6: Final answer
    x = 101,397.11

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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.