Home / 140,529.76-193,876.60-89,533.36

Finding the Fourth Proportional to 140,529.76, 193,876.60 and 89,533.36

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Solution

The fourth proportional to 140,529.76, 193,876.60 and 89,533.36 is: 123,521.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,529.76 : 193,876.60 = 89,533.36 : x
  2. Step 2: Convert to fraction form
    140,529.76/193,876.60 = 89,533.36/x
  3. Step 3: Cross multiply
    140,529.76x = 193,876.60 × 89,533.36
  4. Step 4: Simplify right side
    140,529.76x = 17,358,423,423.38
  5. Step 5: Solve for x
    x = 17,358,423,423.38/140,529.76
  6. Step 6: Final answer
    x = 123,521.33

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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.