Home / 212,665.70-293,587.14-144,117.32

Finding the Fourth Proportional to 212,665.70, 293,587.14 and 144,117.32

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Solution

The fourth proportional to 212,665.70, 293,587.14 and 144,117.32 is: 198,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,665.70 : 293,587.14 = 144,117.32 : x
  2. Step 2: Convert to fraction form
    212,665.70/293,587.14 = 144,117.32/x
  3. Step 3: Cross multiply
    212,665.70x = 293,587.14 × 144,117.32
  4. Step 4: Simplify right side
    212,665.70x = 42,310,990,335.33
  5. Step 5: Solve for x
    x = 42,310,990,335.33/212,665.70
  6. Step 6: Final answer
    x = 198,955.41

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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.