Home / 115,104.64-158,841.98-64,117.24

Finding the Fourth Proportional to 115,104.64, 158,841.98 and 64,117.24

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Solution

The fourth proportional to 115,104.64, 158,841.98 and 64,117.24 is: 88,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,104.64 : 158,841.98 = 64,117.24 : x
  2. Step 2: Convert to fraction form
    115,104.64/158,841.98 = 64,117.24/x
  3. Step 3: Cross multiply
    115,104.64x = 158,841.98 × 64,117.24
  4. Step 4: Simplify right side
    115,104.64x = 10,184,509,353.74
  5. Step 5: Solve for x
    x = 10,184,509,353.74/115,104.64
  6. Step 6: Final answer
    x = 88,480.44

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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.