Home / 151,314.20-208,903.02-134,498.60

Finding the Fourth Proportional to 151,314.20, 208,903.02 and 134,498.60

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Solution

The fourth proportional to 151,314.20, 208,903.02 and 134,498.60 is: 185,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,314.20 : 208,903.02 = 134,498.60 : x
  2. Step 2: Convert to fraction form
    151,314.20/208,903.02 = 134,498.60/x
  3. Step 3: Cross multiply
    151,314.20x = 208,903.02 × 134,498.60
  4. Step 4: Simplify right side
    151,314.20x = 28,097,163,725.77
  5. Step 5: Solve for x
    x = 28,097,163,725.77/151,314.20
  6. Step 6: Final answer
    x = 185,687.55

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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.