Home / 180,669.69-249,315.77-98,997.46

Finding the Fourth Proportional to 180,669.69, 249,315.77 and 98,997.46

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Solution

The fourth proportional to 180,669.69, 249,315.77 and 98,997.46 is: 136,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,669.69 : 249,315.77 = 98,997.46 : x
  2. Step 2: Convert to fraction form
    180,669.69/249,315.77 = 98,997.46/x
  3. Step 3: Cross multiply
    180,669.69x = 249,315.77 × 98,997.46
  4. Step 4: Simplify right side
    180,669.69x = 24,681,627,592.15
  5. Step 5: Solve for x
    x = 24,681,627,592.15/180,669.69
  6. Step 6: Final answer
    x = 136,611.89

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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.