Home / 143,246.91-214,666.60-105,510.23

Finding the Fourth Proportional to 143,246.91, 214,666.60 and 105,510.23

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Solution

The fourth proportional to 143,246.91, 214,666.60 and 105,510.23 is: 158,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,246.91 : 214,666.60 = 105,510.23 : x
  2. Step 2: Convert to fraction form
    143,246.91/214,666.60 = 105,510.23/x
  3. Step 3: Cross multiply
    143,246.91x = 214,666.60 × 105,510.23
  4. Step 4: Simplify right side
    143,246.91x = 22,649,522,339.32
  5. Step 5: Solve for x
    x = 22,649,522,339.32/143,246.91
  6. Step 6: Final answer
    x = 158,115.26

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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.