Home / 155,979.21-233,959.57-43,656.93

Finding the Fourth Proportional to 155,979.21, 233,959.57 and 43,656.93

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Solution

The fourth proportional to 155,979.21, 233,959.57 and 43,656.93 is: 65,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,979.21 : 233,959.57 = 43,656.93 : x
  2. Step 2: Convert to fraction form
    155,979.21/233,959.57 = 43,656.93/x
  3. Step 3: Cross multiply
    155,979.21x = 233,959.57 × 43,656.93
  4. Step 4: Simplify right side
    155,979.21x = 10,213,956,570.32
  5. Step 5: Solve for x
    x = 10,213,956,570.32/155,979.21
  6. Step 6: Final answer
    x = 65,482.81

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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.