Home / 296,828.40-445,534.20-147,237.60

Finding the Fourth Proportional to 296,828.40, 445,534.20 and 147,237.60

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Solution

The fourth proportional to 296,828.40, 445,534.20 and 147,237.60 is: 221,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,828.40 : 445,534.20 = 147,237.60 : x
  2. Step 2: Convert to fraction form
    296,828.40/445,534.20 = 147,237.60/x
  3. Step 3: Cross multiply
    296,828.40x = 445,534.20 × 147,237.60
  4. Step 4: Simplify right side
    296,828.40x = 65,599,386,325.92
  5. Step 5: Solve for x
    x = 65,599,386,325.92/296,828.40
  6. Step 6: Final answer
    x = 221,001.04

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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.