Home / 143,366.16-213,975.11-141,001.17

Finding the Fourth Proportional to 143,366.16, 213,975.11 and 141,001.17

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Solution

The fourth proportional to 143,366.16, 213,975.11 and 141,001.17 is: 210,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,366.16 : 213,975.11 = 141,001.17 : x
  2. Step 2: Convert to fraction form
    143,366.16/213,975.11 = 141,001.17/x
  3. Step 3: Cross multiply
    143,366.16x = 213,975.11 × 141,001.17
  4. Step 4: Simplify right side
    143,366.16x = 30,170,740,155.87
  5. Step 5: Solve for x
    x = 30,170,740,155.87/143,366.16
  6. Step 6: Final answer
    x = 210,445.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.