Home / 107,158.32-160,666.56-47,912.40

Finding the Fourth Proportional to 107,158.32, 160,666.56 and 47,912.40

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Solution

The fourth proportional to 107,158.32, 160,666.56 and 47,912.40 is: 71,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,158.32 : 160,666.56 = 47,912.40 : x
  2. Step 2: Convert to fraction form
    107,158.32/160,666.56 = 47,912.40/x
  3. Step 3: Cross multiply
    107,158.32x = 160,666.56 × 47,912.40
  4. Step 4: Simplify right side
    107,158.32x = 7,697,920,489.34
  5. Step 5: Solve for x
    x = 7,697,920,489.34/107,158.32
  6. Step 6: Final answer
    x = 71,836.89

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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.