Home / 161,651.94-223,071.21-90,030.66

Finding the Fourth Proportional to 161,651.94, 223,071.21 and 90,030.66

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Solution

The fourth proportional to 161,651.94, 223,071.21 and 90,030.66 is: 124,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,651.94 : 223,071.21 = 90,030.66 : x
  2. Step 2: Convert to fraction form
    161,651.94/223,071.21 = 90,030.66/x
  3. Step 3: Cross multiply
    161,651.94x = 223,071.21 × 90,030.66
  4. Step 4: Simplify right side
    161,651.94x = 20,083,248,263.30
  5. Step 5: Solve for x
    x = 20,083,248,263.30/161,651.94
  6. Step 6: Final answer
    x = 124,237.60

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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.