Home / 185,248.80-255,643.56-100,365.84

Finding the Fourth Proportional to 185,248.80, 255,643.56 and 100,365.84

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Solution

The fourth proportional to 185,248.80, 255,643.56 and 100,365.84 is: 138,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,248.80 : 255,643.56 = 100,365.84 : x
  2. Step 2: Convert to fraction form
    185,248.80/255,643.56 = 100,365.84/x
  3. Step 3: Cross multiply
    185,248.80x = 255,643.56 × 100,365.84
  4. Step 4: Simplify right side
    185,248.80x = 25,657,880,639.99
  5. Step 5: Solve for x
    x = 25,657,880,639.99/185,248.80
  6. Step 6: Final answer
    x = 138,504.98

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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.