Home / 169,612.18-234,069.03-93,138.82

Finding the Fourth Proportional to 169,612.18, 234,069.03 and 93,138.82

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Solution

The fourth proportional to 169,612.18, 234,069.03 and 93,138.82 is: 128,533.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,612.18 : 234,069.03 = 93,138.82 : x
  2. Step 2: Convert to fraction form
    169,612.18/234,069.03 = 93,138.82/x
  3. Step 3: Cross multiply
    169,612.18x = 234,069.03 × 93,138.82
  4. Step 4: Simplify right side
    169,612.18x = 21,800,913,252.74
  5. Step 5: Solve for x
    x = 21,800,913,252.74/169,612.18
  6. Step 6: Final answer
    x = 128,533.89

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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.