Home / 191,744.80-287,571.12-98,202.40

Finding the Fourth Proportional to 191,744.80, 287,571.12 and 98,202.40

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Solution

The fourth proportional to 191,744.80, 287,571.12 and 98,202.40 is: 147,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,744.80 : 287,571.12 = 98,202.40 : x
  2. Step 2: Convert to fraction form
    191,744.80/287,571.12 = 98,202.40/x
  3. Step 3: Cross multiply
    191,744.80x = 287,571.12 × 98,202.40
  4. Step 4: Simplify right side
    191,744.80x = 28,240,174,154.69
  5. Step 5: Solve for x
    x = 28,240,174,154.69/191,744.80
  6. Step 6: Final answer
    x = 147,280.00

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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.