Home / 153,499.04-211,825.46-85,515.92

Finding the Fourth Proportional to 153,499.04, 211,825.46 and 85,515.92

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Solution

The fourth proportional to 153,499.04, 211,825.46 and 85,515.92 is: 118,010.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,499.04 : 211,825.46 = 85,515.92 : x
  2. Step 2: Convert to fraction form
    153,499.04/211,825.46 = 85,515.92/x
  3. Step 3: Cross multiply
    153,499.04x = 211,825.46 × 85,515.92
  4. Step 4: Simplify right side
    153,499.04x = 18,114,449,091.32
  5. Step 5: Solve for x
    x = 18,114,449,091.32/153,499.04
  6. Step 6: Final answer
    x = 118,010.18

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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.