Home / 185,034.15-255,352.08-112,412.31

Finding the Fourth Proportional to 185,034.15, 255,352.08 and 112,412.31

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Solution

The fourth proportional to 185,034.15, 255,352.08 and 112,412.31 is: 155,132.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,034.15 : 255,352.08 = 112,412.31 : x
  2. Step 2: Convert to fraction form
    185,034.15/255,352.08 = 112,412.31/x
  3. Step 3: Cross multiply
    185,034.15x = 255,352.08 × 112,412.31
  4. Step 4: Simplify right side
    185,034.15x = 28,704,717,176.10
  5. Step 5: Solve for x
    x = 28,704,717,176.10/185,034.15
  6. Step 6: Final answer
    x = 155,132.00

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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.