Home / 111,434.45-153,778.64-60,447.06

Finding the Fourth Proportional to 111,434.45, 153,778.64 and 60,447.06

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Solution

The fourth proportional to 111,434.45, 153,778.64 and 60,447.06 is: 83,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,434.45 : 153,778.64 = 60,447.06 : x
  2. Step 2: Convert to fraction form
    111,434.45/153,778.64 = 60,447.06/x
  3. Step 3: Cross multiply
    111,434.45x = 153,778.64 × 60,447.06
  4. Step 4: Simplify right side
    111,434.45x = 9,295,465,909.91
  5. Step 5: Solve for x
    x = 9,295,465,909.91/111,434.45
  6. Step 6: Final answer
    x = 83,416.45

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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.