Home / 152,945.19-211,057.47-84,966.87

Finding the Fourth Proportional to 152,945.19, 211,057.47 and 84,966.87

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Solution

The fourth proportional to 152,945.19, 211,057.47 and 84,966.87 is: 117,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,945.19 : 211,057.47 = 84,966.87 : x
  2. Step 2: Convert to fraction form
    152,945.19/211,057.47 = 84,966.87/x
  3. Step 3: Cross multiply
    152,945.19x = 211,057.47 × 84,966.87
  4. Step 4: Simplify right side
    152,945.19x = 17,932,892,616.02
  5. Step 5: Solve for x
    x = 17,932,892,616.02/152,945.19
  6. Step 6: Final answer
    x = 117,250.45

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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.