Home / 161,711.60-242,567.40-73,007.60

Finding the Fourth Proportional to 161,711.60, 242,567.40 and 73,007.60

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Solution

The fourth proportional to 161,711.60, 242,567.40 and 73,007.60 is: 109,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,711.60 : 242,567.40 = 73,007.60 : x
  2. Step 2: Convert to fraction form
    161,711.60/242,567.40 = 73,007.60/x
  3. Step 3: Cross multiply
    161,711.60x = 242,567.40 × 73,007.60
  4. Step 4: Simplify right side
    161,711.60x = 17,709,263,712.24
  5. Step 5: Solve for x
    x = 17,709,263,712.24/161,711.60
  6. Step 6: Final answer
    x = 109,511.40

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1.5x scale

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.