Home / 160,555.66-221,460.02-103,267.48

Finding the Fourth Proportional to 160,555.66, 221,460.02 and 103,267.48

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Solution

The fourth proportional to 160,555.66, 221,460.02 and 103,267.48 is: 142,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,555.66 : 221,460.02 = 103,267.48 : x
  2. Step 2: Convert to fraction form
    160,555.66/221,460.02 = 103,267.48/x
  3. Step 3: Cross multiply
    160,555.66x = 221,460.02 × 103,267.48
  4. Step 4: Simplify right side
    160,555.66x = 22,869,618,186.15
  5. Step 5: Solve for x
    x = 22,869,618,186.15/160,555.66
  6. Step 6: Final answer
    x = 142,440.44

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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.