Home / 191,465.03-287,197.41-86,160.98

Finding the Fourth Proportional to 191,465.03, 287,197.41 and 86,160.98

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Solution

The fourth proportional to 191,465.03, 287,197.41 and 86,160.98 is: 129,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,465.03 : 287,197.41 = 86,160.98 : x
  2. Step 2: Convert to fraction form
    191,465.03/287,197.41 = 86,160.98/x
  3. Step 3: Cross multiply
    191,465.03x = 287,197.41 × 86,160.98
  4. Step 4: Simplify right side
    191,465.03x = 24,745,211,340.16
  5. Step 5: Solve for x
    x = 24,745,211,340.16/191,465.03
  6. Step 6: Final answer
    x = 129,241.41

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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.