Home / 140,174.55-193,354.70-99,901.35

Finding the Fourth Proportional to 140,174.55, 193,354.70 and 99,901.35

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Solution

The fourth proportional to 140,174.55, 193,354.70 and 99,901.35 is: 137,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,174.55 : 193,354.70 = 99,901.35 : x
  2. Step 2: Convert to fraction form
    140,174.55/193,354.70 = 99,901.35/x
  3. Step 3: Cross multiply
    140,174.55x = 193,354.70 × 99,901.35
  4. Step 4: Simplify right side
    140,174.55x = 19,316,395,059.34
  5. Step 5: Solve for x
    x = 19,316,395,059.34/140,174.55
  6. Step 6: Final answer
    x = 137,802.44

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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.