Home / 219,646.32-303,116.76-134,713.20

Finding the Fourth Proportional to 219,646.32, 303,116.76 and 134,713.20

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Solution

The fourth proportional to 219,646.32, 303,116.76 and 134,713.20 is: 185,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,646.32 : 303,116.76 = 134,713.20 : x
  2. Step 2: Convert to fraction form
    219,646.32/303,116.76 = 134,713.20/x
  3. Step 3: Cross multiply
    219,646.32x = 303,116.76 × 134,713.20
  4. Step 4: Simplify right side
    219,646.32x = 40,833,828,713.23
  5. Step 5: Solve for x
    x = 40,833,828,713.23/219,646.32
  6. Step 6: Final answer
    x = 185,907.18

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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.