Home / 114,440.64-157,946.40-66,721.92

Finding the Fourth Proportional to 114,440.64, 157,946.40 and 66,721.92

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Solution

The fourth proportional to 114,440.64, 157,946.40 and 66,721.92 is: 92,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,440.64 : 157,946.40 = 66,721.92 : x
  2. Step 2: Convert to fraction form
    114,440.64/157,946.40 = 66,721.92/x
  3. Step 3: Cross multiply
    114,440.64x = 157,946.40 × 66,721.92
  4. Step 4: Simplify right side
    114,440.64x = 10,538,487,065.09
  5. Step 5: Solve for x
    x = 10,538,487,065.09/114,440.64
  6. Step 6: Final answer
    x = 92,086.93

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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.