Home / 154,678.68-213,437.55-94,227.39

Finding the Fourth Proportional to 154,678.68, 213,437.55 and 94,227.39

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Solution

The fourth proportional to 154,678.68, 213,437.55 and 94,227.39 is: 130,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,678.68 : 213,437.55 = 94,227.39 : x
  2. Step 2: Convert to fraction form
    154,678.68/213,437.55 = 94,227.39/x
  3. Step 3: Cross multiply
    154,678.68x = 213,437.55 × 94,227.39
  4. Step 4: Simplify right side
    154,678.68x = 20,111,663,264.49
  5. Step 5: Solve for x
    x = 20,111,663,264.49/154,678.68
  6. Step 6: Final answer
    x = 130,022.21

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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.