Home / 180,835.02-249,551.10-100,262.55

Finding the Fourth Proportional to 180,835.02, 249,551.10 and 100,262.55

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Solution

The fourth proportional to 180,835.02, 249,551.10 and 100,262.55 is: 138,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,835.02 : 249,551.10 = 100,262.55 : x
  2. Step 2: Convert to fraction form
    180,835.02/249,551.10 = 100,262.55/x
  3. Step 3: Cross multiply
    180,835.02x = 249,551.10 × 100,262.55
  4. Step 4: Simplify right side
    180,835.02x = 25,020,629,641.31
  5. Step 5: Solve for x
    x = 25,020,629,641.31/180,835.02
  6. Step 6: Final answer
    x = 138,361.64

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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.