Home / 132,547.44-182,910-72,118.32

Finding the Fourth Proportional to 132,547.44, 182,910 and 72,118.32

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Solution

The fourth proportional to 132,547.44, 182,910 and 72,118.32 is: 99,520.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,547.44 : 182,910 = 72,118.32 : x
  2. Step 2: Convert to fraction form
    132,547.44/182,910 = 72,118.32/x
  3. Step 3: Cross multiply
    132,547.44x = 182,910 × 72,118.32
  4. Step 4: Simplify right side
    132,547.44x = 13,191,161,911.20
  5. Step 5: Solve for x
    x = 13,191,161,911.20/132,547.44
  6. Step 6: Final answer
    x = 99,520.31

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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.