Home / 173,353.81-239,157.02-105,359.83

Finding the Fourth Proportional to 173,353.81, 239,157.02 and 105,359.83

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Solution

The fourth proportional to 173,353.81, 239,157.02 and 105,359.83 is: 145,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,353.81 : 239,157.02 = 105,359.83 : x
  2. Step 2: Convert to fraction form
    173,353.81/239,157.02 = 105,359.83/x
  3. Step 3: Cross multiply
    173,353.81x = 239,157.02 × 105,359.83
  4. Step 4: Simplify right side
    173,353.81x = 25,197,542,443.71
  5. Step 5: Solve for x
    x = 25,197,542,443.71/173,353.81
  6. Step 6: Final answer
    x = 145,353.27

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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.