Home / 147,458.69-203,428.82-93,714.92

Finding the Fourth Proportional to 147,458.69, 203,428.82 and 93,714.92

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Solution

The fourth proportional to 147,458.69, 203,428.82 and 93,714.92 is: 129,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,458.69 : 203,428.82 = 93,714.92 : x
  2. Step 2: Convert to fraction form
    147,458.69/203,428.82 = 93,714.92/x
  3. Step 3: Cross multiply
    147,458.69x = 203,428.82 × 93,714.92
  4. Step 4: Simplify right side
    147,458.69x = 19,064,315,591.99
  5. Step 5: Solve for x
    x = 19,064,315,591.99/147,458.69
  6. Step 6: Final answer
    x = 129,285.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.