Home / 153,157.17-211,353.24-83,304.72

Finding the Fourth Proportional to 153,157.17, 211,353.24 and 83,304.72

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Solution

The fourth proportional to 153,157.17, 211,353.24 and 83,304.72 is: 114,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,157.17 : 211,353.24 = 83,304.72 : x
  2. Step 2: Convert to fraction form
    153,157.17/211,353.24 = 83,304.72/x
  3. Step 3: Cross multiply
    153,157.17x = 211,353.24 × 83,304.72
  4. Step 4: Simplify right side
    153,157.17x = 17,606,721,841.47
  5. Step 5: Solve for x
    x = 17,606,721,841.47/153,157.17
  6. Step 6: Final answer
    x = 114,958.52

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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.