Home / 161,762.40-242,710.23-67,011.66

Finding the Fourth Proportional to 161,762.40, 242,710.23 and 67,011.66

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Solution

The fourth proportional to 161,762.40, 242,710.23 and 67,011.66 is: 100,545.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,762.40 : 242,710.23 = 67,011.66 : x
  2. Step 2: Convert to fraction form
    161,762.40/242,710.23 = 67,011.66/x
  3. Step 3: Cross multiply
    161,762.40x = 242,710.23 × 67,011.66
  4. Step 4: Simplify right side
    161,762.40x = 16,264,415,411.28
  5. Step 5: Solve for x
    x = 16,264,415,411.28/161,762.40
  6. Step 6: Final answer
    x = 100,545.09

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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.