Home / 193,045.34-289,173.81-99,354.26

Finding the Fourth Proportional to 193,045.34, 289,173.81 and 99,354.26

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Solution

The fourth proportional to 193,045.34, 289,173.81 and 99,354.26 is: 148,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,045.34 : 289,173.81 = 99,354.26 : x
  2. Step 2: Convert to fraction form
    193,045.34/289,173.81 = 99,354.26/x
  3. Step 3: Cross multiply
    193,045.34x = 289,173.81 × 99,354.26
  4. Step 4: Simplify right side
    193,045.34x = 28,730,649,903.93
  5. Step 5: Solve for x
    x = 28,730,649,903.93/193,045.34
  6. Step 6: Final answer
    x = 148,828.51

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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.