Home / 191,926.70-287,890.05-98,614.70

Finding the Fourth Proportional to 191,926.70, 287,890.05 and 98,614.70

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Solution

The fourth proportional to 191,926.70, 287,890.05 and 98,614.70 is: 147,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,926.70 : 287,890.05 = 98,614.70 : x
  2. Step 2: Convert to fraction form
    191,926.70/287,890.05 = 98,614.70/x
  3. Step 3: Cross multiply
    191,926.70x = 287,890.05 × 98,614.70
  4. Step 4: Simplify right side
    191,926.70x = 28,390,190,913.74
  5. Step 5: Solve for x
    x = 28,390,190,913.74/191,926.70
  6. Step 6: Final answer
    x = 147,922.05

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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.