Home / 124,341.08-171,734.58-90,501.30

Finding the Fourth Proportional to 124,341.08, 171,734.58 and 90,501.30

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Solution

The fourth proportional to 124,341.08, 171,734.58 and 90,501.30 is: 124,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,341.08 : 171,734.58 = 90,501.30 : x
  2. Step 2: Convert to fraction form
    124,341.08/171,734.58 = 90,501.30/x
  3. Step 3: Cross multiply
    124,341.08x = 171,734.58 × 90,501.30
  4. Step 4: Simplify right side
    124,341.08x = 15,542,202,744.95
  5. Step 5: Solve for x
    x = 15,542,202,744.95/124,341.08
  6. Step 6: Final answer
    x = 124,996.53

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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.