Home / 155,299.13-232,953.86-42,969.93

Finding the Fourth Proportional to 155,299.13, 232,953.86 and 42,969.93

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Solution

The fourth proportional to 155,299.13, 232,953.86 and 42,969.93 is: 64,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,299.13 : 232,953.86 = 42,969.93 : x
  2. Step 2: Convert to fraction form
    155,299.13/232,953.86 = 42,969.93/x
  3. Step 3: Cross multiply
    155,299.13x = 232,953.86 × 42,969.93
  4. Step 4: Simplify right side
    155,299.13x = 10,010,010,842.58
  5. Step 5: Solve for x
    x = 10,010,010,842.58/155,299.13
  6. Step 6: Final answer
    x = 64,456.32

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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.