Home / 180,566.74-249,189.51-99,992.80

Finding the Fourth Proportional to 180,566.74, 249,189.51 and 99,992.80

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Solution

The fourth proportional to 180,566.74, 249,189.51 and 99,992.80 is: 137,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,566.74 : 249,189.51 = 99,992.80 : x
  2. Step 2: Convert to fraction form
    180,566.74/249,189.51 = 99,992.80/x
  3. Step 3: Cross multiply
    180,566.74x = 249,189.51 × 99,992.80
  4. Step 4: Simplify right side
    180,566.74x = 24,917,156,835.53
  5. Step 5: Solve for x
    x = 24,917,156,835.53/180,566.74
  6. Step 6: Final answer
    x = 137,994.17

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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.