Home / 185,038.64-255,358.02-113,458.12

Finding the Fourth Proportional to 185,038.64, 255,358.02 and 113,458.12

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Solution

The fourth proportional to 185,038.64, 255,358.02 and 113,458.12 is: 156,575.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,038.64 : 255,358.02 = 113,458.12 : x
  2. Step 2: Convert to fraction form
    185,038.64/255,358.02 = 113,458.12/x
  3. Step 3: Cross multiply
    185,038.64x = 255,358.02 × 113,458.12
  4. Step 4: Simplify right side
    185,038.64x = 28,972,440,876.12
  5. Step 5: Solve for x
    x = 28,972,440,876.12/185,038.64
  6. Step 6: Final answer
    x = 156,575.09

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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.