Home / 155,437.17-233,155.80-43,145.66

Finding the Fourth Proportional to 155,437.17, 233,155.80 and 43,145.66

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Solution

The fourth proportional to 155,437.17, 233,155.80 and 43,145.66 is: 64,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,437.17 : 233,155.80 = 43,145.66 : x
  2. Step 2: Convert to fraction form
    155,437.17/233,155.80 = 43,145.66/x
  3. Step 3: Cross multiply
    155,437.17x = 233,155.80 × 43,145.66
  4. Step 4: Simplify right side
    155,437.17x = 10,059,659,708.05
  5. Step 5: Solve for x
    x = 10,059,659,708.05/155,437.17
  6. Step 6: Final answer
    x = 64,718.49

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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.