Home / 153,003.15-210,671.96-127,196.55

Finding the Fourth Proportional to 153,003.15, 210,671.96 and 127,196.55

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Solution

The fourth proportional to 153,003.15, 210,671.96 and 127,196.55 is: 175,138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,003.15 : 210,671.96 = 127,196.55 : x
  2. Step 2: Convert to fraction form
    153,003.15/210,671.96 = 127,196.55/x
  3. Step 3: Cross multiply
    153,003.15x = 210,671.96 × 127,196.55
  4. Step 4: Simplify right side
    153,003.15x = 26,796,745,857.76
  5. Step 5: Solve for x
    x = 26,796,745,857.76/153,003.15
  6. Step 6: Final answer
    x = 175,138.52

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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.