Home / 171,718.12-257,533.44-53,328.52

Finding the Fourth Proportional to 171,718.12, 257,533.44 and 53,328.52

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Solution

The fourth proportional to 171,718.12, 257,533.44 and 53,328.52 is: 79,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,718.12 : 257,533.44 = 53,328.52 : x
  2. Step 2: Convert to fraction form
    171,718.12/257,533.44 = 53,328.52/x
  3. Step 3: Cross multiply
    171,718.12x = 257,533.44 × 53,328.52
  4. Step 4: Simplify right side
    171,718.12x = 13,733,877,205.71
  5. Step 5: Solve for x
    x = 13,733,877,205.71/171,718.12
  6. Step 6: Final answer
    x = 79,979.20

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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.