Home / 137,643.81-206,426.05-37,807.26

Finding the Fourth Proportional to 137,643.81, 206,426.05 and 37,807.26

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Solution

The fourth proportional to 137,643.81, 206,426.05 and 37,807.26 is: 56,700.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,643.81 : 206,426.05 = 37,807.26 : x
  2. Step 2: Convert to fraction form
    137,643.81/206,426.05 = 37,807.26/x
  3. Step 3: Cross multiply
    137,643.81x = 206,426.05 × 37,807.26
  4. Step 4: Simplify right side
    137,643.81x = 7,804,403,343.12
  5. Step 5: Solve for x
    x = 7,804,403,343.12/137,643.81
  6. Step 6: Final answer
    x = 56,700.00

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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.