Home / 152,103.59-209,931.03-97,723.74

Finding the Fourth Proportional to 152,103.59, 209,931.03 and 97,723.74

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Solution

The fourth proportional to 152,103.59, 209,931.03 and 97,723.74 is: 134,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,103.59 : 209,931.03 = 97,723.74 : x
  2. Step 2: Convert to fraction form
    152,103.59/209,931.03 = 97,723.74/x
  3. Step 3: Cross multiply
    152,103.59x = 209,931.03 × 97,723.74
  4. Step 4: Simplify right side
    152,103.59x = 20,515,244,344.00
  5. Step 5: Solve for x
    x = 20,515,244,344.00/152,103.59
  6. Step 6: Final answer
    x = 134,876.79

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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.