Home / 154,135.52-212,700.48-96,804.80

Finding the Fourth Proportional to 154,135.52, 212,700.48 and 96,804.80

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Solution

The fourth proportional to 154,135.52, 212,700.48 and 96,804.80 is: 133,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,135.52 : 212,700.48 = 96,804.80 : x
  2. Step 2: Convert to fraction form
    154,135.52/212,700.48 = 96,804.80/x
  3. Step 3: Cross multiply
    154,135.52x = 212,700.48 × 96,804.80
  4. Step 4: Simplify right side
    154,135.52x = 20,590,426,362.80
  5. Step 5: Solve for x
    x = 20,590,426,362.80/154,135.52
  6. Step 6: Final answer
    x = 133,586.52

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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.