Home / 155,145.47-232,713.56-42,832.54

Finding the Fourth Proportional to 155,145.47, 232,713.56 and 42,832.54

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Solution

The fourth proportional to 155,145.47, 232,713.56 and 42,832.54 is: 64,247.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,145.47 : 232,713.56 = 42,832.54 : x
  2. Step 2: Convert to fraction form
    155,145.47/232,713.56 = 42,832.54/x
  3. Step 3: Cross multiply
    155,145.47x = 232,713.56 × 42,832.54
  4. Step 4: Simplify right side
    155,145.47x = 9,967,712,867.24
  5. Step 5: Solve for x
    x = 9,967,712,867.24/155,145.47
  6. Step 6: Final answer
    x = 64,247.53

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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.