Home / 312,884.02-431,777.35-176,944.66

Finding the Fourth Proportional to 312,884.02, 431,777.35 and 176,944.66

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Solution

The fourth proportional to 312,884.02, 431,777.35 and 176,944.66 is: 244,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,884.02 : 431,777.35 = 176,944.66 : x
  2. Step 2: Convert to fraction form
    312,884.02/431,777.35 = 176,944.66/x
  3. Step 3: Cross multiply
    312,884.02x = 431,777.35 × 176,944.66
  4. Step 4: Simplify right side
    312,884.02x = 76,400,695,533.19
  5. Step 5: Solve for x
    x = 76,400,695,533.19/312,884.02
  6. Step 6: Final answer
    x = 244,182.16

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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.