Home / 140,175.55-193,356.07-99,902.35

Finding the Fourth Proportional to 140,175.55, 193,356.07 and 99,902.35

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Solution

The fourth proportional to 140,175.55, 193,356.07 and 99,902.35 is: 137,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,175.55 : 193,356.07 = 99,902.35 : x
  2. Step 2: Convert to fraction form
    140,175.55/193,356.07 = 99,902.35/x
  3. Step 3: Cross multiply
    140,175.55x = 193,356.07 × 99,902.35
  4. Step 4: Simplify right side
    140,175.55x = 19,316,725,779.76
  5. Step 5: Solve for x
    x = 19,316,725,779.76/140,175.55
  6. Step 6: Final answer
    x = 137,803.82

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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.