Home / 191,926.80-287,933.40-113,000.40

Finding the Fourth Proportional to 191,926.80, 287,933.40 and 113,000.40

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Solution

The fourth proportional to 191,926.80, 287,933.40 and 113,000.40 is: 169,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,926.80 : 287,933.40 = 113,000.40 : x
  2. Step 2: Convert to fraction form
    191,926.80/287,933.40 = 113,000.40/x
  3. Step 3: Cross multiply
    191,926.80x = 287,933.40 × 113,000.40
  4. Step 4: Simplify right side
    191,926.80x = 32,536,589,373.36
  5. Step 5: Solve for x
    x = 32,536,589,373.36/191,926.80
  6. Step 6: Final answer
    x = 169,526.03

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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.