Home / 191,577.69-287,428.50-125,147.70

Finding the Fourth Proportional to 191,577.69, 287,428.50 and 125,147.70

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Solution

The fourth proportional to 191,577.69, 287,428.50 and 125,147.70 is: 187,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,577.69 : 287,428.50 = 125,147.70 : x
  2. Step 2: Convert to fraction form
    191,577.69/287,428.50 = 125,147.70/x
  3. Step 3: Cross multiply
    191,577.69x = 287,428.50 × 125,147.70
  4. Step 4: Simplify right side
    191,577.69x = 35,971,015,689.45
  5. Step 5: Solve for x
    x = 35,971,015,689.45/191,577.69
  6. Step 6: Final answer
    x = 187,762.03

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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.