Home / 191,926.20-287,889.30-98,614.20

Finding the Fourth Proportional to 191,926.20, 287,889.30 and 98,614.20

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Solution

The fourth proportional to 191,926.20, 287,889.30 and 98,614.20 is: 147,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,926.20 : 287,889.30 = 98,614.20 : x
  2. Step 2: Convert to fraction form
    191,926.20/287,889.30 = 98,614.20/x
  3. Step 3: Cross multiply
    191,926.20x = 287,889.30 × 98,614.20
  4. Step 4: Simplify right side
    191,926.20x = 28,389,973,008.06
  5. Step 5: Solve for x
    x = 28,389,973,008.06/191,926.20
  6. Step 6: Final answer
    x = 147,921.30

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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.