Home / 185,319.34-255,740.64-100,436.41

Finding the Fourth Proportional to 185,319.34, 255,740.64 and 100,436.41

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Solution

The fourth proportional to 185,319.34, 255,740.64 and 100,436.41 is: 138,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,319.34 : 255,740.64 = 100,436.41 : x
  2. Step 2: Convert to fraction form
    185,319.34/255,740.64 = 100,436.41/x
  3. Step 3: Cross multiply
    185,319.34x = 255,740.64 × 100,436.41
  4. Step 4: Simplify right side
    185,319.34x = 25,685,671,772.70
  5. Step 5: Solve for x
    x = 25,685,671,772.70/185,319.34
  6. Step 6: Final answer
    x = 138,602.22

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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.