Home / 202,095.40-278,893.02-111,454.60

Finding the Fourth Proportional to 202,095.40, 278,893.02 and 111,454.60

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Solution

The fourth proportional to 202,095.40, 278,893.02 and 111,454.60 is: 153,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,095.40 : 278,893.02 = 111,454.60 : x
  2. Step 2: Convert to fraction form
    202,095.40/278,893.02 = 111,454.60/x
  3. Step 3: Cross multiply
    202,095.40x = 278,893.02 × 111,454.60
  4. Step 4: Simplify right side
    202,095.40x = 31,083,909,986.89
  5. Step 5: Solve for x
    x = 31,083,909,986.89/202,095.40
  6. Step 6: Final answer
    x = 153,808.10

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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.