Home / 253,109.16-380,254.23-148,001.94

Finding the Fourth Proportional to 253,109.16, 380,254.23 and 148,001.94

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Solution

The fourth proportional to 253,109.16, 380,254.23 and 148,001.94 is: 222,348.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,109.16 : 380,254.23 = 148,001.94 : x
  2. Step 2: Convert to fraction form
    253,109.16/380,254.23 = 148,001.94/x
  3. Step 3: Cross multiply
    253,109.16x = 380,254.23 × 148,001.94
  4. Step 4: Simplify right side
    253,109.16x = 56,278,363,733.21
  5. Step 5: Solve for x
    x = 56,278,363,733.21/253,109.16
  6. Step 6: Final answer
    x = 222,348.19

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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.