Home / 237,332.19-327,515.65-128,434.01

Finding the Fourth Proportional to 237,332.19, 327,515.65 and 128,434.01

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Solution

The fourth proportional to 237,332.19, 327,515.65 and 128,434.01 is: 177,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,332.19 : 327,515.65 = 128,434.01 : x
  2. Step 2: Convert to fraction form
    237,332.19/327,515.65 = 128,434.01/x
  3. Step 3: Cross multiply
    237,332.19x = 327,515.65 × 128,434.01
  4. Step 4: Simplify right side
    237,332.19x = 42,064,147,031.03
  5. Step 5: Solve for x
    x = 42,064,147,031.03/237,332.19
  6. Step 6: Final answer
    x = 177,237.43

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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.