Home / 137,951.02-190,376.20-77,527.17

Finding the Fourth Proportional to 137,951.02, 190,376.20 and 77,527.17

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Solution

The fourth proportional to 137,951.02, 190,376.20 and 77,527.17 is: 106,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,951.02 : 190,376.20 = 77,527.17 : x
  2. Step 2: Convert to fraction form
    137,951.02/190,376.20 = 77,527.17/x
  3. Step 3: Cross multiply
    137,951.02x = 190,376.20 × 77,527.17
  4. Step 4: Simplify right side
    137,951.02x = 14,759,327,827.54
  5. Step 5: Solve for x
    x = 14,759,327,827.54/137,951.02
  6. Step 6: Final answer
    x = 106,989.63

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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.