Home / 155,899.73-233,674.63-77,069.32

Finding the Fourth Proportional to 155,899.73, 233,674.63 and 77,069.32

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Solution

The fourth proportional to 155,899.73, 233,674.63 and 77,069.32 is: 115,517.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,899.73 : 233,674.63 = 77,069.32 : x
  2. Step 2: Convert to fraction form
    155,899.73/233,674.63 = 77,069.32/x
  3. Step 3: Cross multiply
    155,899.73x = 233,674.63 × 77,069.32
  4. Step 4: Simplify right side
    155,899.73x = 18,009,144,835.35
  5. Step 5: Solve for x
    x = 18,009,144,835.35/155,899.73
  6. Step 6: Final answer
    x = 115,517.49

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1.5x scale

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.