Home / 161,946.58-223,316.71-139,362.16

Finding the Fourth Proportional to 161,946.58, 223,316.71 and 139,362.16

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Solution

The fourth proportional to 161,946.58, 223,316.71 and 139,362.16 is: 192,173.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,946.58 : 223,316.71 = 139,362.16 : x
  2. Step 2: Convert to fraction form
    161,946.58/223,316.71 = 139,362.16/x
  3. Step 3: Cross multiply
    161,946.58x = 223,316.71 × 139,362.16
  4. Step 4: Simplify right side
    161,946.58x = 31,121,899,069.69
  5. Step 5: Solve for x
    x = 31,121,899,069.69/161,946.58
  6. Step 6: Final answer
    x = 192,173.86

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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.