Home / 161,022.21-222,220.71-93,051.68

Finding the Fourth Proportional to 161,022.21, 222,220.71 and 93,051.68

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Solution

The fourth proportional to 161,022.21, 222,220.71 and 93,051.68 is: 128,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,022.21 : 222,220.71 = 93,051.68 : x
  2. Step 2: Convert to fraction form
    161,022.21/222,220.71 = 93,051.68/x
  3. Step 3: Cross multiply
    161,022.21x = 222,220.71 × 93,051.68
  4. Step 4: Simplify right side
    161,022.21x = 20,678,009,285.19
  5. Step 5: Solve for x
    x = 20,678,009,285.19/161,022.21
  6. Step 6: Final answer
    x = 128,417.13

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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.