Home / 285,285.04-393,699.52-156,228.96

Finding the Fourth Proportional to 285,285.04, 393,699.52 and 156,228.96

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Solution

The fourth proportional to 285,285.04, 393,699.52 and 156,228.96 is: 215,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,285.04 : 393,699.52 = 156,228.96 : x
  2. Step 2: Convert to fraction form
    285,285.04/393,699.52 = 156,228.96/x
  3. Step 3: Cross multiply
    285,285.04x = 393,699.52 × 156,228.96
  4. Step 4: Simplify right side
    285,285.04x = 61,507,266,562.10
  5. Step 5: Solve for x
    x = 61,507,266,562.10/285,285.04
  6. Step 6: Final answer
    x = 215,599.34

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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.