Home / 140,032.17-193,189.37-86,223.87

Finding the Fourth Proportional to 140,032.17, 193,189.37 and 86,223.87

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Solution

The fourth proportional to 140,032.17, 193,189.37 and 86,223.87 is: 118,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,032.17 : 193,189.37 = 86,223.87 : x
  2. Step 2: Convert to fraction form
    140,032.17/193,189.37 = 86,223.87/x
  3. Step 3: Cross multiply
    140,032.17x = 193,189.37 × 86,223.87
  4. Step 4: Simplify right side
    140,032.17x = 16,657,534,373.87
  5. Step 5: Solve for x
    x = 16,657,534,373.87/140,032.17
  6. Step 6: Final answer
    x = 118,955.06

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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.