Home / 155,426.40-233,139.60-43,106.40

Finding the Fourth Proportional to 155,426.40, 233,139.60 and 43,106.40

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Solution

The fourth proportional to 155,426.40, 233,139.60 and 43,106.40 is: 64,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,426.40 : 233,139.60 = 43,106.40 : x
  2. Step 2: Convert to fraction form
    155,426.40/233,139.60 = 43,106.40/x
  3. Step 3: Cross multiply
    155,426.40x = 233,139.60 × 43,106.40
  4. Step 4: Simplify right side
    155,426.40x = 10,049,808,853.44
  5. Step 5: Solve for x
    x = 10,049,808,853.44/155,426.40
  6. Step 6: Final answer
    x = 64,659.60

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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.