Home / 140,746.92-194,235.42-77,088.24

Finding the Fourth Proportional to 140,746.92, 194,235.42 and 77,088.24

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Solution

The fourth proportional to 140,746.92, 194,235.42 and 77,088.24 is: 106,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,746.92 : 194,235.42 = 77,088.24 : x
  2. Step 2: Convert to fraction form
    140,746.92/194,235.42 = 77,088.24/x
  3. Step 3: Cross multiply
    140,746.92x = 194,235.42 × 77,088.24
  4. Step 4: Simplify right side
    140,746.92x = 14,973,266,673.46
  5. Step 5: Solve for x
    x = 14,973,266,673.46/140,746.92
  6. Step 6: Final answer
    x = 106,384.33

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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.