Home / 155,567.60-233,005.80-81,609.20

Finding the Fourth Proportional to 155,567.60, 233,005.80 and 81,609.20

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Solution

The fourth proportional to 155,567.60, 233,005.80 and 81,609.20 is: 122,232.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,567.60 : 233,005.80 = 81,609.20 : x
  2. Step 2: Convert to fraction form
    155,567.60/233,005.80 = 81,609.20/x
  3. Step 3: Cross multiply
    155,567.60x = 233,005.80 × 81,609.20
  4. Step 4: Simplify right side
    155,567.60x = 19,015,416,933.36
  5. Step 5: Solve for x
    x = 19,015,416,933.36/155,567.60
  6. Step 6: Final answer
    x = 122,232.50

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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.