Home / 161,666.71-223,022.79-125,609.95

Finding the Fourth Proportional to 161,666.71, 223,022.79 and 125,609.95

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Solution

The fourth proportional to 161,666.71, 223,022.79 and 125,609.95 is: 173,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,666.71 : 223,022.79 = 125,609.95 : x
  2. Step 2: Convert to fraction form
    161,666.71/223,022.79 = 125,609.95/x
  3. Step 3: Cross multiply
    161,666.71x = 223,022.79 × 125,609.95
  4. Step 4: Simplify right side
    161,666.71x = 28,013,881,500.76
  5. Step 5: Solve for x
    x = 28,013,881,500.76/161,666.71
  6. Step 6: Final answer
    x = 173,281.69

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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.