Home / 180,659.97-249,303.62-100,088.73

Finding the Fourth Proportional to 180,659.97, 249,303.62 and 100,088.73

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Solution

The fourth proportional to 180,659.97, 249,303.62 and 100,088.73 is: 138,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,659.97 : 249,303.62 = 100,088.73 : x
  2. Step 2: Convert to fraction form
    180,659.97/249,303.62 = 100,088.73/x
  3. Step 3: Cross multiply
    180,659.97x = 249,303.62 × 100,088.73
  4. Step 4: Simplify right side
    180,659.97x = 24,952,482,960.42
  5. Step 5: Solve for x
    x = 24,952,482,960.42/180,659.97
  6. Step 6: Final answer
    x = 138,118.49

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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.