Home / 113,616.20-156,802.02-68,308.94

Finding the Fourth Proportional to 113,616.20, 156,802.02 and 68,308.94

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Solution

The fourth proportional to 113,616.20, 156,802.02 and 68,308.94 is: 94,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,616.20 : 156,802.02 = 68,308.94 : x
  2. Step 2: Convert to fraction form
    113,616.20/156,802.02 = 68,308.94/x
  3. Step 3: Cross multiply
    113,616.20x = 156,802.02 × 68,308.94
  4. Step 4: Simplify right side
    113,616.20x = 10,710,979,776.06
  5. Step 5: Solve for x
    x = 10,710,979,776.06/113,616.20
  6. Step 6: Final answer
    x = 94,273.35

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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.