Home / 238,785.18-329,547.63-136,824.11

Finding the Fourth Proportional to 238,785.18, 329,547.63 and 136,824.11

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Solution

The fourth proportional to 238,785.18, 329,547.63 and 136,824.11 is: 188,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,785.18 : 329,547.63 = 136,824.11 : x
  2. Step 2: Convert to fraction form
    238,785.18/329,547.63 = 136,824.11/x
  3. Step 3: Cross multiply
    238,785.18x = 329,547.63 × 136,824.11
  4. Step 4: Simplify right side
    238,785.18x = 45,090,061,177.36
  5. Step 5: Solve for x
    x = 45,090,061,177.36/238,785.18
  6. Step 6: Final answer
    x = 188,831.07

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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.