Home / 180,936.18-249,693.44-100,368.95

Finding the Fourth Proportional to 180,936.18, 249,693.44 and 100,368.95

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Solution

The fourth proportional to 180,936.18, 249,693.44 and 100,368.95 is: 138,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,936.18 : 249,693.44 = 100,368.95 : x
  2. Step 2: Convert to fraction form
    180,936.18/249,693.44 = 100,368.95/x
  3. Step 3: Cross multiply
    180,936.18x = 249,693.44 × 100,368.95
  4. Step 4: Simplify right side
    180,936.18x = 25,061,466,644.38
  5. Step 5: Solve for x
    x = 25,061,466,644.38/180,936.18
  6. Step 6: Final answer
    x = 138,509.98

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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.