Home / 219,118.32-302,382.68-118,516.08

Finding the Fourth Proportional to 219,118.32, 302,382.68 and 118,516.08

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Solution

The fourth proportional to 219,118.32, 302,382.68 and 118,516.08 is: 163,551.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,118.32 : 302,382.68 = 118,516.08 : x
  2. Step 2: Convert to fraction form
    219,118.32/302,382.68 = 118,516.08/x
  3. Step 3: Cross multiply
    219,118.32x = 302,382.68 × 118,516.08
  4. Step 4: Simplify right side
    219,118.32x = 35,837,209,893.49
  5. Step 5: Solve for x
    x = 35,837,209,893.49/219,118.32
  6. Step 6: Final answer
    x = 163,551.87

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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.