Home / 153,241.14-211,352.94-99,543.45

Finding the Fourth Proportional to 153,241.14, 211,352.94 and 99,543.45

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Solution

The fourth proportional to 153,241.14, 211,352.94 and 99,543.45 is: 137,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,241.14 : 211,352.94 = 99,543.45 : x
  2. Step 2: Convert to fraction form
    153,241.14/211,352.94 = 99,543.45/x
  3. Step 3: Cross multiply
    153,241.14x = 211,352.94 × 99,543.45
  4. Step 4: Simplify right side
    153,241.14x = 21,038,800,815.24
  5. Step 5: Solve for x
    x = 21,038,800,815.24/153,241.14
  6. Step 6: Final answer
    x = 137,292.12

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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.