Home / 159,350.10-239,111.55-70,617.30

Finding the Fourth Proportional to 159,350.10, 239,111.55 and 70,617.30

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Solution

The fourth proportional to 159,350.10, 239,111.55 and 70,617.30 is: 105,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,350.10 : 239,111.55 = 70,617.30 : x
  2. Step 2: Convert to fraction form
    159,350.10/239,111.55 = 70,617.30/x
  3. Step 3: Cross multiply
    159,350.10x = 239,111.55 × 70,617.30
  4. Step 4: Simplify right side
    159,350.10x = 16,885,412,059.82
  5. Step 5: Solve for x
    x = 16,885,412,059.82/159,350.10
  6. Step 6: Final answer
    x = 105,964.24

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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.