Home / 155,785.80-233,678.70-50,615.40

Finding the Fourth Proportional to 155,785.80, 233,678.70 and 50,615.40

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Solution

The fourth proportional to 155,785.80, 233,678.70 and 50,615.40 is: 75,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,785.80 : 233,678.70 = 50,615.40 : x
  2. Step 2: Convert to fraction form
    155,785.80/233,678.70 = 50,615.40/x
  3. Step 3: Cross multiply
    155,785.80x = 233,678.70 × 50,615.40
  4. Step 4: Simplify right side
    155,785.80x = 11,827,740,871.98
  5. Step 5: Solve for x
    x = 11,827,740,871.98/155,785.80
  6. Step 6: Final answer
    x = 75,923.10

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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.