Home / 115,186.76-158,952.68-64,205.06

Finding the Fourth Proportional to 115,186.76, 158,952.68 and 64,205.06

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Solution

The fourth proportional to 115,186.76, 158,952.68 and 64,205.06 is: 88,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,186.76 : 158,952.68 = 64,205.06 : x
  2. Step 2: Convert to fraction form
    115,186.76/158,952.68 = 64,205.06/x
  3. Step 3: Cross multiply
    115,186.76x = 158,952.68 × 64,205.06
  4. Step 4: Simplify right side
    115,186.76x = 10,205,565,240.77
  5. Step 5: Solve for x
    x = 10,205,565,240.77/115,186.76
  6. Step 6: Final answer
    x = 88,600.16

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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.