Home / 385,561.12-532,186.32-234,931.36

Finding the Fourth Proportional to 385,561.12, 532,186.32 and 234,931.36

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Solution

The fourth proportional to 385,561.12, 532,186.32 and 234,931.36 is: 324,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,561.12 : 532,186.32 = 234,931.36 : x
  2. Step 2: Convert to fraction form
    385,561.12/532,186.32 = 234,931.36/x
  3. Step 3: Cross multiply
    385,561.12x = 532,186.32 × 234,931.36
  4. Step 4: Simplify right side
    385,561.12x = 125,027,255,931.00
  5. Step 5: Solve for x
    x = 125,027,255,931.00/385,561.12
  6. Step 6: Final answer
    x = 324,273.51

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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.