Home / 139,726.34-192,792.45-83,126.66

Finding the Fourth Proportional to 139,726.34, 192,792.45 and 83,126.66

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Solution

The fourth proportional to 139,726.34, 192,792.45 and 83,126.66 is: 114,697.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,726.34 : 192,792.45 = 83,126.66 : x
  2. Step 2: Convert to fraction form
    139,726.34/192,792.45 = 83,126.66/x
  3. Step 3: Cross multiply
    139,726.34x = 192,792.45 × 83,126.66
  4. Step 4: Simplify right side
    139,726.34x = 16,026,192,441.72
  5. Step 5: Solve for x
    x = 16,026,192,441.72/139,726.34
  6. Step 6: Final answer
    x = 114,697.00

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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.