Home / 153,388.47-211,684.82-92,153.40

Finding the Fourth Proportional to 153,388.47, 211,684.82 and 92,153.40

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Solution

The fourth proportional to 153,388.47, 211,684.82 and 92,153.40 is: 127,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,388.47 : 211,684.82 = 92,153.40 : x
  2. Step 2: Convert to fraction form
    153,388.47/211,684.82 = 92,153.40/x
  3. Step 3: Cross multiply
    153,388.47x = 211,684.82 × 92,153.40
  4. Step 4: Simplify right side
    153,388.47x = 19,507,474,636.80
  5. Step 5: Solve for x
    x = 19,507,474,636.80/153,388.47
  6. Step 6: Final answer
    x = 127,176.93

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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.