Home / 316,723.40-437,054.64-180,753.56

Finding the Fourth Proportional to 316,723.40, 437,054.64 and 180,753.56

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Solution

The fourth proportional to 316,723.40, 437,054.64 and 180,753.56 is: 249,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,723.40 : 437,054.64 = 180,753.56 : x
  2. Step 2: Convert to fraction form
    316,723.40/437,054.64 = 180,753.56/x
  3. Step 3: Cross multiply
    316,723.40x = 437,054.64 × 180,753.56
  4. Step 4: Simplify right side
    316,723.40x = 78,999,182,094.52
  5. Step 5: Solve for x
    x = 78,999,182,094.52/316,723.40
  6. Step 6: Final answer
    x = 249,426.41

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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.