Home / 286,630.49-395,547.22-159,303.35

Finding the Fourth Proportional to 286,630.49, 395,547.22 and 159,303.35

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Solution

The fourth proportional to 286,630.49, 395,547.22 and 159,303.35 is: 219,837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,630.49 : 395,547.22 = 159,303.35 : x
  2. Step 2: Convert to fraction form
    286,630.49/395,547.22 = 159,303.35/x
  3. Step 3: Cross multiply
    286,630.49x = 395,547.22 × 159,303.35
  4. Step 4: Simplify right side
    286,630.49x = 63,011,997,229.19
  5. Step 5: Solve for x
    x = 63,011,997,229.19/286,630.49
  6. Step 6: Final answer
    x = 219,837.04

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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.