Home / 98,860.92-148,316.67-28,740.23

Finding the Fourth Proportional to 98,860.92, 148,316.67 and 28,740.23

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Solution

The fourth proportional to 98,860.92, 148,316.67 and 28,740.23 is: 43,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,860.92 : 148,316.67 = 28,740.23 : x
  2. Step 2: Convert to fraction form
    98,860.92/148,316.67 = 28,740.23/x
  3. Step 3: Cross multiply
    98,860.92x = 148,316.67 × 28,740.23
  4. Step 4: Simplify right side
    98,860.92x = 4,262,655,857.52
  5. Step 5: Solve for x
    x = 4,262,655,857.52/98,860.92
  6. Step 6: Final answer
    x = 43,117.70

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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.