Home / 237,501.12-327,752.06-128,606.66

Finding the Fourth Proportional to 237,501.12, 327,752.06 and 128,606.66

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Solution

The fourth proportional to 237,501.12, 327,752.06 and 128,606.66 is: 177,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,501.12 : 327,752.06 = 128,606.66 : x
  2. Step 2: Convert to fraction form
    237,501.12/327,752.06 = 128,606.66/x
  3. Step 3: Cross multiply
    237,501.12x = 327,752.06 × 128,606.66
  4. Step 4: Simplify right side
    237,501.12x = 42,151,095,462.93
  5. Step 5: Solve for x
    x = 42,151,095,462.93/237,501.12
  6. Step 6: Final answer
    x = 177,477.46

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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.