Home / 117,584.10-176,376.15-70,812.90

Finding the Fourth Proportional to 117,584.10, 176,376.15 and 70,812.90

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Solution

The fourth proportional to 117,584.10, 176,376.15 and 70,812.90 is: 106,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,584.10 : 176,376.15 = 70,812.90 : x
  2. Step 2: Convert to fraction form
    117,584.10/176,376.15 = 70,812.90/x
  3. Step 3: Cross multiply
    117,584.10x = 176,376.15 × 70,812.90
  4. Step 4: Simplify right side
    117,584.10x = 12,489,706,672.34
  5. Step 5: Solve for x
    x = 12,489,706,672.34/117,584.10
  6. Step 6: Final answer
    x = 106,219.35

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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.