Home / 144,953.55-217,430.33-100,666.80

Finding the Fourth Proportional to 144,953.55, 217,430.33 and 100,666.80

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Solution

The fourth proportional to 144,953.55, 217,430.33 and 100,666.80 is: 151,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,953.55 : 217,430.33 = 100,666.80 : x
  2. Step 2: Convert to fraction form
    144,953.55/217,430.33 = 100,666.80/x
  3. Step 3: Cross multiply
    144,953.55x = 217,430.33 × 100,666.80
  4. Step 4: Simplify right side
    144,953.55x = 21,888,015,040.71
  5. Step 5: Solve for x
    x = 21,888,015,040.71/144,953.55
  6. Step 6: Final answer
    x = 151,000.20

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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.