Home / 260,585.20-390,935.16-148,318.24

Finding the Fourth Proportional to 260,585.20, 390,935.16 and 148,318.24

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Solution

The fourth proportional to 260,585.20, 390,935.16 and 148,318.24 is: 222,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,585.20 : 390,935.16 = 148,318.24 : x
  2. Step 2: Convert to fraction form
    260,585.20/390,935.16 = 148,318.24/x
  3. Step 3: Cross multiply
    260,585.20x = 390,935.16 × 148,318.24
  4. Step 4: Simplify right side
    260,585.20x = 57,982,814,885.32
  5. Step 5: Solve for x
    x = 57,982,814,885.32/260,585.20
  6. Step 6: Final answer
    x = 222,510.01

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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.