Home / 140,090.48-193,386.92-83,521.52

Finding the Fourth Proportional to 140,090.48, 193,386.92 and 83,521.52

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Solution

The fourth proportional to 140,090.48, 193,386.92 and 83,521.52 is: 115,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,090.48 : 193,386.92 = 83,521.52 : x
  2. Step 2: Convert to fraction form
    140,090.48/193,386.92 = 83,521.52/x
  3. Step 3: Cross multiply
    140,090.48x = 193,386.92 × 83,521.52
  4. Step 4: Simplify right side
    140,090.48x = 16,151,969,506.52
  5. Step 5: Solve for x
    x = 16,151,969,506.52/140,090.48
  6. Step 6: Final answer
    x = 115,296.70

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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.