Home / 185,031.27-255,349.34-113,397.45

Finding the Fourth Proportional to 185,031.27, 255,349.34 and 113,397.45

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Solution

The fourth proportional to 185,031.27, 255,349.34 and 113,397.45 is: 156,492.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,031.27 : 255,349.34 = 113,397.45 : x
  2. Step 2: Convert to fraction form
    185,031.27/255,349.34 = 113,397.45/x
  3. Step 3: Cross multiply
    185,031.27x = 255,349.34 × 113,397.45
  4. Step 4: Simplify right side
    185,031.27x = 28,955,964,015.18
  5. Step 5: Solve for x
    x = 28,955,964,015.18/185,031.27
  6. Step 6: Final answer
    x = 156,492.27

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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.