Home / 220,875.03-304,799.47-134,977.79

Finding the Fourth Proportional to 220,875.03, 304,799.47 and 134,977.79

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Solution

The fourth proportional to 220,875.03, 304,799.47 and 134,977.79 is: 186,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,875.03 : 304,799.47 = 134,977.79 : x
  2. Step 2: Convert to fraction form
    220,875.03/304,799.47 = 134,977.79/x
  3. Step 3: Cross multiply
    220,875.03x = 304,799.47 × 134,977.79
  4. Step 4: Simplify right side
    220,875.03x = 41,141,157,754.33
  5. Step 5: Solve for x
    x = 41,141,157,754.33/220,875.03
  6. Step 6: Final answer
    x = 186,264.41

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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.