Home / 185,148.12-255,509.08-113,567.64

Finding the Fourth Proportional to 185,148.12, 255,509.08 and 113,567.64

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Solution

The fourth proportional to 185,148.12, 255,509.08 and 113,567.64 is: 156,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,148.12 : 255,509.08 = 113,567.64 : x
  2. Step 2: Convert to fraction form
    185,148.12/255,509.08 = 113,567.64/x
  3. Step 3: Cross multiply
    185,148.12x = 255,509.08 × 113,567.64
  4. Step 4: Simplify right side
    185,148.12x = 29,017,563,214.17
  5. Step 5: Solve for x
    x = 29,017,563,214.17/185,148.12
  6. Step 6: Final answer
    x = 156,726.21

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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.