Home / 191,428.13-287,206.14-84,797.60

Finding the Fourth Proportional to 191,428.13, 287,206.14 and 84,797.60

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Solution

The fourth proportional to 191,428.13, 287,206.14 and 84,797.60 is: 127,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,428.13 : 287,206.14 = 84,797.60 : x
  2. Step 2: Convert to fraction form
    191,428.13/287,206.14 = 84,797.60/x
  3. Step 3: Cross multiply
    191,428.13x = 287,206.14 × 84,797.60
  4. Step 4: Simplify right side
    191,428.13x = 24,354,390,953.28
  5. Step 5: Solve for x
    x = 24,354,390,953.28/191,428.13
  6. Step 6: Final answer
    x = 127,224.72

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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.