Home / 102,382.16-153,573.58-31,304.53

Finding the Fourth Proportional to 102,382.16, 153,573.58 and 31,304.53

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Solution

The fourth proportional to 102,382.16, 153,573.58 and 31,304.53 is: 46,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,382.16 : 153,573.58 = 31,304.53 : x
  2. Step 2: Convert to fraction form
    102,382.16/153,573.58 = 31,304.53/x
  3. Step 3: Cross multiply
    102,382.16x = 153,573.58 × 31,304.53
  4. Step 4: Simplify right side
    102,382.16x = 4,807,548,280.12
  5. Step 5: Solve for x
    x = 4,807,548,280.12/102,382.16
  6. Step 6: Final answer
    x = 46,956.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.