Home / 148,776.68-205,221.66-88,307.48

Finding the Fourth Proportional to 148,776.68, 205,221.66 and 88,307.48

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Solution

The fourth proportional to 148,776.68, 205,221.66 and 88,307.48 is: 121,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,776.68 : 205,221.66 = 88,307.48 : x
  2. Step 2: Convert to fraction form
    148,776.68/205,221.66 = 88,307.48/x
  3. Step 3: Cross multiply
    148,776.68x = 205,221.66 × 88,307.48
  4. Step 4: Simplify right side
    148,776.68x = 18,122,607,636.02
  5. Step 5: Solve for x
    x = 18,122,607,636.02/148,776.68
  6. Step 6: Final answer
    x = 121,810.81

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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.