Home / 144,023.10-216,034.65-143,148.30

Finding the Fourth Proportional to 144,023.10, 216,034.65 and 143,148.30

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Solution

The fourth proportional to 144,023.10, 216,034.65 and 143,148.30 is: 214,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,023.10 : 216,034.65 = 143,148.30 : x
  2. Step 2: Convert to fraction form
    144,023.10/216,034.65 = 143,148.30/x
  3. Step 3: Cross multiply
    144,023.10x = 216,034.65 × 143,148.30
  4. Step 4: Simplify right side
    144,023.10x = 30,924,992,888.60
  5. Step 5: Solve for x
    x = 30,924,992,888.60/144,023.10
  6. Step 6: Final answer
    x = 214,722.45

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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.