Home / 113,547.02-156,576.12-84,821.66

Finding the Fourth Proportional to 113,547.02, 156,576.12 and 84,821.66

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Solution

The fourth proportional to 113,547.02, 156,576.12 and 84,821.66 is: 116,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,547.02 : 156,576.12 = 84,821.66 : x
  2. Step 2: Convert to fraction form
    113,547.02/156,576.12 = 84,821.66/x
  3. Step 3: Cross multiply
    113,547.02x = 156,576.12 × 84,821.66
  4. Step 4: Simplify right side
    113,547.02x = 13,281,046,414.76
  5. Step 5: Solve for x
    x = 13,281,046,414.76/113,547.02
  6. Step 6: Final answer
    x = 116,965.17

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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.