Home / 161,022.52-221,845.55-124,598.74

Finding the Fourth Proportional to 161,022.52, 221,845.55 and 124,598.74

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Solution

The fourth proportional to 161,022.52, 221,845.55 and 124,598.74 is: 171,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,022.52 : 221,845.55 = 124,598.74 : x
  2. Step 2: Convert to fraction form
    161,022.52/221,845.55 = 124,598.74/x
  3. Step 3: Cross multiply
    161,022.52x = 221,845.55 × 124,598.74
  4. Step 4: Simplify right side
    161,022.52x = 27,641,674,895.38
  5. Step 5: Solve for x
    x = 27,641,674,895.38/161,022.52
  6. Step 6: Final answer
    x = 171,663.41

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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.