Home / 98,501.22-147,730.23-28,365.30

Finding the Fourth Proportional to 98,501.22, 147,730.23 and 28,365.30

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Solution

The fourth proportional to 98,501.22, 147,730.23 and 28,365.30 is: 42,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,501.22 : 147,730.23 = 28,365.30 : x
  2. Step 2: Convert to fraction form
    98,501.22/147,730.23 = 28,365.30/x
  3. Step 3: Cross multiply
    98,501.22x = 147,730.23 × 28,365.30
  4. Step 4: Simplify right side
    98,501.22x = 4,190,412,293.02
  5. Step 5: Solve for x
    x = 4,190,412,293.02/98,501.22
  6. Step 6: Final answer
    x = 42,541.73

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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.