Home / 175,140.50-262,686.12-56,812.88

Finding the Fourth Proportional to 175,140.50, 262,686.12 and 56,812.88

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Solution

The fourth proportional to 175,140.50, 262,686.12 and 56,812.88 is: 85,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,140.50 : 262,686.12 = 56,812.88 : x
  2. Step 2: Convert to fraction form
    175,140.50/262,686.12 = 56,812.88/x
  3. Step 3: Cross multiply
    175,140.50x = 262,686.12 × 56,812.88
  4. Step 4: Simplify right side
    175,140.50x = 14,923,955,013.23
  5. Step 5: Solve for x
    x = 14,923,955,013.23/175,140.50
  6. Step 6: Final answer
    x = 85,211.33

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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.