Home / 168,263.57-231,971.15-134,386.13

Finding the Fourth Proportional to 168,263.57, 231,971.15 and 134,386.13

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Solution

The fourth proportional to 168,263.57, 231,971.15 and 134,386.13 is: 185,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,263.57 : 231,971.15 = 134,386.13 : x
  2. Step 2: Convert to fraction form
    168,263.57/231,971.15 = 134,386.13/x
  3. Step 3: Cross multiply
    168,263.57x = 231,971.15 × 134,386.13
  4. Step 4: Simplify right side
    168,263.57x = 31,173,703,288.36
  5. Step 5: Solve for x
    x = 31,173,703,288.36/168,263.57
  6. Step 6: Final answer
    x = 185,267.10

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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.