Home / 155,638.46-233,308.25-99,319.57

Finding the Fourth Proportional to 155,638.46, 233,308.25 and 99,319.57

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Solution

The fourth proportional to 155,638.46, 233,308.25 and 99,319.57 is: 148,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,638.46 : 233,308.25 = 99,319.57 : x
  2. Step 2: Convert to fraction form
    155,638.46/233,308.25 = 99,319.57/x
  3. Step 3: Cross multiply
    155,638.46x = 233,308.25 × 99,319.57
  4. Step 4: Simplify right side
    155,638.46x = 23,172,074,360.03
  5. Step 5: Solve for x
    x = 23,172,074,360.03/155,638.46
  6. Step 6: Final answer
    x = 148,883.98

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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.