Home / 180,666.18-270,901.53-143,465.58

Finding the Fourth Proportional to 180,666.18, 270,901.53 and 143,465.58

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Solution

The fourth proportional to 180,666.18, 270,901.53 and 143,465.58 is: 215,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,666.18 : 270,901.53 = 143,465.58 : x
  2. Step 2: Convert to fraction form
    180,666.18/270,901.53 = 143,465.58/x
  3. Step 3: Cross multiply
    180,666.18x = 270,901.53 × 143,465.58
  4. Step 4: Simplify right side
    180,666.18x = 38,865,045,124.34
  5. Step 5: Solve for x
    x = 38,865,045,124.34/180,666.18
  6. Step 6: Final answer
    x = 215,120.76

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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.