Home / 180,548.57-249,153.98-99,974.36

Finding the Fourth Proportional to 180,548.57, 249,153.98 and 99,974.36

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Solution

The fourth proportional to 180,548.57, 249,153.98 and 99,974.36 is: 137,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,548.57 : 249,153.98 = 99,974.36 : x
  2. Step 2: Convert to fraction form
    180,548.57/249,153.98 = 99,974.36/x
  3. Step 3: Cross multiply
    180,548.57x = 249,153.98 × 99,974.36
  4. Step 4: Simplify right side
    180,548.57x = 24,909,009,814.97
  5. Step 5: Solve for x
    x = 24,909,009,814.97/180,548.57
  6. Step 6: Final answer
    x = 137,962.93

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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.