Home / 130,503.03-180,106.88-73,152.06

Finding the Fourth Proportional to 130,503.03, 180,106.88 and 73,152.06

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Solution

The fourth proportional to 130,503.03, 180,106.88 and 73,152.06 is: 100,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,503.03 : 180,106.88 = 73,152.06 : x
  2. Step 2: Convert to fraction form
    130,503.03/180,106.88 = 73,152.06/x
  3. Step 3: Cross multiply
    130,503.03x = 180,106.88 × 73,152.06
  4. Step 4: Simplify right side
    130,503.03x = 13,175,188,926.41
  5. Step 5: Solve for x
    x = 13,175,188,926.41/130,503.03
  6. Step 6: Final answer
    x = 100,956.96

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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.