Home / 139,349.03-192,332.34-91,606.82

Finding the Fourth Proportional to 139,349.03, 192,332.34 and 91,606.82

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Solution

The fourth proportional to 139,349.03, 192,332.34 and 91,606.82 is: 126,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,349.03 : 192,332.34 = 91,606.82 : x
  2. Step 2: Convert to fraction form
    139,349.03/192,332.34 = 91,606.82/x
  3. Step 3: Cross multiply
    139,349.03x = 192,332.34 × 91,606.82
  4. Step 4: Simplify right side
    139,349.03x = 17,618,953,088.90
  5. Step 5: Solve for x
    x = 17,618,953,088.90/139,349.03
  6. Step 6: Final answer
    x = 126,437.58

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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.