Home / 185,034.51-255,352.61-112,412.68

Finding the Fourth Proportional to 185,034.51, 255,352.61 and 112,412.68

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Solution

The fourth proportional to 185,034.51, 255,352.61 and 112,412.68 is: 155,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,034.51 : 255,352.61 = 112,412.68 : x
  2. Step 2: Convert to fraction form
    185,034.51/255,352.61 = 112,412.68/x
  3. Step 3: Cross multiply
    185,034.51x = 255,352.61 × 112,412.68
  4. Step 4: Simplify right side
    185,034.51x = 28,704,870,877.75
  5. Step 5: Solve for x
    x = 28,704,870,877.75/185,034.51
  6. Step 6: Final answer
    x = 155,132.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.