Home / 155,344.80-233,017.20-99,357.60

Finding the Fourth Proportional to 155,344.80, 233,017.20 and 99,357.60

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Solution

The fourth proportional to 155,344.80, 233,017.20 and 99,357.60 is: 149,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,344.80 : 233,017.20 = 99,357.60 : x
  2. Step 2: Convert to fraction form
    155,344.80/233,017.20 = 99,357.60/x
  3. Step 3: Cross multiply
    155,344.80x = 233,017.20 × 99,357.60
  4. Step 4: Simplify right side
    155,344.80x = 23,152,029,750.72
  5. Step 5: Solve for x
    x = 23,152,029,750.72/155,344.80
  6. Step 6: Final answer
    x = 149,036.40

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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.