Home / 186,172.72-256,920.10-110,706.64

Finding the Fourth Proportional to 186,172.72, 256,920.10 and 110,706.64

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Solution

The fourth proportional to 186,172.72, 256,920.10 and 110,706.64 is: 152,776.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,172.72 : 256,920.10 = 110,706.64 : x
  2. Step 2: Convert to fraction form
    186,172.72/256,920.10 = 110,706.64/x
  3. Step 3: Cross multiply
    186,172.72x = 256,920.10 × 110,706.64
  4. Step 4: Simplify right side
    186,172.72x = 28,442,761,019.46
  5. Step 5: Solve for x
    x = 28,442,761,019.46/186,172.72
  6. Step 6: Final answer
    x = 152,776.20

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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.