Home / 140,137.60-193,386.24-76,476.16

Finding the Fourth Proportional to 140,137.60, 193,386.24 and 76,476.16

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Solution

The fourth proportional to 140,137.60, 193,386.24 and 76,476.16 is: 105,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,137.60 : 193,386.24 = 76,476.16 : x
  2. Step 2: Convert to fraction form
    140,137.60/193,386.24 = 76,476.16/x
  3. Step 3: Cross multiply
    140,137.60x = 193,386.24 × 76,476.16
  4. Step 4: Simplify right side
    140,137.60x = 14,789,437,032.04
  5. Step 5: Solve for x
    x = 14,789,437,032.04/140,137.60
  6. Step 6: Final answer
    x = 105,535.11

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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.