Home / 171,931.70-257,897.55-162,746.30

Finding the Fourth Proportional to 171,931.70, 257,897.55 and 162,746.30

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Solution

The fourth proportional to 171,931.70, 257,897.55 and 162,746.30 is: 244,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,931.70 : 257,897.55 = 162,746.30 : x
  2. Step 2: Convert to fraction form
    171,931.70/257,897.55 = 162,746.30/x
  3. Step 3: Cross multiply
    171,931.70x = 257,897.55 × 162,746.30
  4. Step 4: Simplify right side
    171,931.70x = 41,971,872,041.57
  5. Step 5: Solve for x
    x = 41,971,872,041.57/171,931.70
  6. Step 6: Final answer
    x = 244,119.45

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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.