Home / 161,943.34-223,312.22-139,358.92

Finding the Fourth Proportional to 161,943.34, 223,312.22 and 139,358.92

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Solution

The fourth proportional to 161,943.34, 223,312.22 and 139,358.92 is: 192,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,943.34 : 223,312.22 = 139,358.92 : x
  2. Step 2: Convert to fraction form
    161,943.34/223,312.22 = 139,358.92/x
  3. Step 3: Cross multiply
    161,943.34x = 223,312.22 × 139,358.92
  4. Step 4: Simplify right side
    161,943.34x = 31,120,549,802.00
  5. Step 5: Solve for x
    x = 31,120,549,802.00/161,943.34
  6. Step 6: Final answer
    x = 192,169.37

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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.