Home / 161,541.63-222,923.75-101,145.57

Finding the Fourth Proportional to 161,541.63, 222,923.75 and 101,145.57

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Solution

The fourth proportional to 161,541.63, 222,923.75 and 101,145.57 is: 139,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,541.63 : 222,923.75 = 101,145.57 : x
  2. Step 2: Convert to fraction form
    161,541.63/222,923.75 = 101,145.57/x
  3. Step 3: Cross multiply
    161,541.63x = 222,923.75 × 101,145.57
  4. Step 4: Simplify right side
    161,541.63x = 22,547,749,760.29
  5. Step 5: Solve for x
    x = 22,547,749,760.29/161,541.63
  6. Step 6: Final answer
    x = 139,578.57

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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.