Home / 191,985.80-287,980.52-58,866.75

Finding the Fourth Proportional to 191,985.80, 287,980.52 and 58,866.75

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Solution

The fourth proportional to 191,985.80, 287,980.52 and 58,866.75 is: 88,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,985.80 : 287,980.52 = 58,866.75 : x
  2. Step 2: Convert to fraction form
    191,985.80/287,980.52 = 58,866.75/x
  3. Step 3: Cross multiply
    191,985.80x = 287,980.52 × 58,866.75
  4. Step 4: Simplify right side
    191,985.80x = 16,952,476,981.38
  5. Step 5: Solve for x
    x = 16,952,476,981.38/191,985.80
  6. Step 6: Final answer
    x = 88,300.68

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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.