Home / 193,036.95-289,594.16-66,681.81

Finding the Fourth Proportional to 193,036.95, 289,594.16 and 66,681.81

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Solution

The fourth proportional to 193,036.95, 289,594.16 and 66,681.81 is: 100,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,036.95 : 289,594.16 = 66,681.81 : x
  2. Step 2: Convert to fraction form
    193,036.95/289,594.16 = 66,681.81/x
  3. Step 3: Cross multiply
    193,036.95x = 289,594.16 × 66,681.81
  4. Step 4: Simplify right side
    193,036.95x = 19,310,662,420.82
  5. Step 5: Solve for x
    x = 19,310,662,420.82/193,036.95
  6. Step 6: Final answer
    x = 100,036.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.