Home / 161,663.05-223,095.07-93,719.41

Finding the Fourth Proportional to 161,663.05, 223,095.07 and 93,719.41

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Solution

The fourth proportional to 161,663.05, 223,095.07 and 93,719.41 is: 129,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,663.05 : 223,095.07 = 93,719.41 : x
  2. Step 2: Convert to fraction form
    161,663.05/223,095.07 = 93,719.41/x
  3. Step 3: Cross multiply
    161,663.05x = 223,095.07 × 93,719.41
  4. Step 4: Simplify right side
    161,663.05x = 20,908,337,542.27
  5. Step 5: Solve for x
    x = 20,908,337,542.27/161,663.05
  6. Step 6: Final answer
    x = 129,332.82

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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.