Home / 121,089.40-181,663.26-37,983.40

Finding the Fourth Proportional to 121,089.40, 181,663.26 and 37,983.40

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Solution

The fourth proportional to 121,089.40, 181,663.26 and 37,983.40 is: 56,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,089.40 : 181,663.26 = 37,983.40 : x
  2. Step 2: Convert to fraction form
    121,089.40/181,663.26 = 37,983.40/x
  3. Step 3: Cross multiply
    121,089.40x = 181,663.26 × 37,983.40
  4. Step 4: Simplify right side
    121,089.40x = 6,900,188,269.88
  5. Step 5: Solve for x
    x = 6,900,188,269.88/121,089.40
  6. Step 6: Final answer
    x = 56,984.25

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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.