Home / 129,118.42-193,688.80-35,624.16

Finding the Fourth Proportional to 129,118.42, 193,688.80 and 35,624.16

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Solution

The fourth proportional to 129,118.42, 193,688.80 and 35,624.16 is: 53,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,118.42 : 193,688.80 = 35,624.16 : x
  2. Step 2: Convert to fraction form
    129,118.42/193,688.80 = 35,624.16/x
  3. Step 3: Cross multiply
    129,118.42x = 193,688.80 × 35,624.16
  4. Step 4: Simplify right side
    129,118.42x = 6,900,000,801.41
  5. Step 5: Solve for x
    x = 6,900,000,801.41/129,118.42
  6. Step 6: Final answer
    x = 53,439.32

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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.